| 459 | Thulium |
| 275 | Humans |
| 210 | Male |
| 157 | Animals |
| 155 | Laser Therapy |
| 110 | Lasers, Solid-State |
| 98 | Female |
| 94 | Middle Aged |
| 92 | Lasers |
| 89 | Aged |
| 85 | Treatment Outcome |
| 83 | Prostatic Hyperplasia |
| 79 | Ytterbium |
| 69 | Equipment Design |
| 67 | Radioisotopes |
| 61 | Adult |
| 58 | Rats |
| 51 | Magnetic Resonance Spectroscopy |
| 48 | Aged, 80 and over |
| 46 | Yttrium |
| 45 | Time Factors |
| 42 | Organometallic Compounds |
| 42 | Holmium |
| 40 | Fluorides |
| 40 | Fiber Optic Technology |
| 39 | Transurethral Resection of Prostate |
| 38 | Follow-Up Studies |
| 36 | Prostatectomy |
| 36 | Mice |
| 35 | Temperature |
| 34 | Magnetic Resonance Imaging |
| 33 | Prospective Studies |
| 32 | Nanoparticles |
| 32 | Equipment Failure Analysis |
| 31 | Infrared Rays |
| 31 | Glass |
| 28 | Luminescent Measurements |
| 27 | Dysprosium |
| 26 | Retrospective Studies |
| 26 | Lutetium |
| 26 | Luminescence |
| 26 | Gadolinium |
| 26 | Erbium |
| 25 | Thermoluminescent Dosimetry |
| 25 | Sodium |
| 25 | Prostate |
| 25 | Postoperative Complications |
| 24 | Organophosphorus Compounds |
| 24 | Metals, Rare Earth |
| 24 | Calcium |
| 23 | Rats, Sprague-Dawley |
| 23 | Lanthanoid Series Elements |
| 22 | Oxides |
| 21 | Spectrometry, Fluorescence |
| 21 | Hydrogen-Ion Concentration |
| 20 | Terbium |
| 20 | Optical Fibers |
| 20 | Energy Transfer |
| 19 | Skin |
| 19 | Lanthanum |
| 19 | Contrast Media |
| 18 | Europium |
| 17 | Tellurium |
| 16 | Swine |
| 16 | Reproducibility of Results |
| 16 | Lithotripsy, Laser |
| 16 | Light |
| 16 | In Vitro Techniques |
| 15 | Tissue Distribution |
| 15 | Sensitivity and Specificity |
| 15 | Samarium |
| 15 | Pain |
| 15 | Kinetics |
| 15 | Hot Temperature |
| 15 | Feasibility Studies |
| 15 | Crystallization |
| 14 | Spectrophotometry, Infrared |
| 14 | Protons |
| 14 | Magnetics |
| 14 | Lasers, Semiconductor |
| 14 | Gamma Rays |
| 14 | Dogs |
| 13 | Radiometry |
| 13 | Rabbits |
| 13 | Quality of Life |
| 13 | Neodymium |
| 13 | Models, Molecular |
| 13 | Kidney |
| 13 | Computer Simulation |
| 13 | Algorithms |
| 12 | Water |
| 12 | Photons |
| 12 | Particle Size |
| 12 | Oscillometry |
| 12 | Metals |
| 12 | Length of Stay |
| 12 | Endoscopy |
| 12 | Bone and Bones |
| 12 | Aluminum |
| 11 | Spectrum Analysis, Raman |
| 11 | Spectrophotometry, Ultraviolet |
| 11 | Silicon Dioxide |
| 11 | Radionuclide Imaging |
| 11 | Phosphates |
| 11 | Liver |
| 11 | Ions |
| 11 | Calcium Fluoride |
| 11 | Amplifiers, Electronic |
| 10 | X-Ray Diffraction |
| 10 | Urinary Calculi |
| 10 | Urinary Bladder Neck Obstruction |
| 10 | Ultraviolet Rays |
| 10 | Spectrum Analysis |
| 10 | Praseodymium |
| 10 | Pain Measurement |
| 10 | Operative Time |
| 10 | Myocardium |
| 10 | Materials Testing |
| 10 | Manganese |
| 10 | Lithium |
| 10 | Fluorescence |
| 10 | Chelating Agents |
| 10 | Brain |
| 10 | Absorption |
| 9 | Urinary Bladder Neoplasms |
| 9 | Titanium |
| 9 | Spectroscopy, Near-Infrared |
| 9 | Spectrophotometry |
| 9 | Phantoms, Imaging |
| 9 | Optics and Photonics |
| 9 | Nephrectomy |
| 9 | Neoplasm Transplantation |
| 9 | Nanostructures |
| 9 | Molecular Structure |
| 9 | Models, Chemical |
| 9 | Models, Biological |
| 9 | Methods |
| 9 | Fluorine |
| 9 | Dose-Response Relationship, Radiation |
| 9 | Brain Mapping |
| 9 | Biosensing Techniques |
| 9 | Adolescent |
| 8 | Thermodynamics |
| 8 | Sulfates |
| 8 | Sclerostomy |
| 8 | Scattering, Radiation |
| 8 | Reaction Time |
| 8 | Rats, Wistar |
| 8 | Radiopharmaceuticals |
| 8 | Phosphorus |
| 8 | Pain Threshold |
| 8 | Nociceptors |
| 8 | Models, Theoretical |
| 8 | Microscopy, Electron, Transmission |
| 8 | Ligands |
| 8 | Kidney Neoplasms |
| 8 | Intraocular Pressure |
| 8 | Edetic Acid |
| 8 | Disease Models, Animal |
| 8 | Child |
| 8 | Carcinoma, Transitional Cell |
| 8 | Calcium Sulfate |
| 8 | Body Temperature |
| 7 | Young Adult |
| 7 | Urinary Retention |
| 7 | Tungsten |
| 7 | Thermography |
| 7 | Somatosensory Cortex |
| 7 | Skin Aging |
| 7 | Refractometry |
| 7 | Radiation Dosage |
| 7 | Quantum Theory |
| 7 | Patient Satisfaction |
| 7 | Organ Size |
| 7 | Optical Phenomena |
| 7 | Nanotubes |
| 7 | Monte Carlo Method |
| 7 | Molecular Conformation |
| 7 | Metal Nanoparticles |
| 7 | Lasers, Gas |
| 7 | Laser Coagulation |
| 7 | Larynx |
| 7 | Laparoscopy |
| 7 | Hand |
| 7 | Gallium |
| 7 | Evoked Potentials |
| 7 | Electrons |
| 7 | Copper |
| 7 | Citrates |
| 7 | Chromium |
| 7 | Cerium |
| 7 | Cell Survival |
| 7 | Cattle |
| 7 | Cations |
| 7 | Burns |
| 6 | Wound Healing |
| 6 | Urodynamics |
| 6 | Urination |
| 6 | Urinary Bladder |
| 6 | Tomography, X-Ray Computed |
| 6 | Surface Properties |
| 6 | Spectrophotometry, Atomic |
| 6 | Risk Assessment |
| 6 | Reoperation |
| 6 | Rats, Inbred F344 |
| 6 | Radiotherapy Dosage |
| 6 | Protein Conformation |
| 6 | Prostatic Neoplasms |
| 6 | Promethium |
| 6 | Perfusion |
| 6 | Pentetic Acid |
| 6 | Nuclear Magnetic Resonance, Biomolecular |
| 6 | Neutrons |
| 6 | Magnetoencephalography |
| 6 | Laryngeal Diseases |
| 6 | Isotopes |
| 6 | Indicators and Reagents |
| 6 | Heterocyclic Compounds, 1-Ring |
| 6 | Guinea Pigs |
| 6 | Glucose |
| 6 | Glaucoma |
| 6 | Germanium |
| 6 | Gallium Radioisotopes |
| 6 | Extracellular Space |
| 6 | Evoked Potentials, Somatosensory |
| 6 | Electron Spin Resonance Spectroscopy |
| 6 | Dimyristoylphosphatidylcholine |
| 6 | Crystallography, X-Ray |
| 6 | Coordination Complexes |
| 6 | Computer-Aided Design |
| 6 | Ceramics |
| 6 | Cell Line |
| 6 | Cell Line, Tumor |
| 6 | Calibration |
| 6 | Binding Sites |
| 5 | Vocal Cords |
| 5 | Urinary Tract Infections |
| 5 | Urethra |
| 5 | Ureter |
| 5 | Tissue Culture Techniques |
| 5 | Strontium Radioisotopes |
| 5 | Spectroscopy, Fourier Transform Infrared |
| 5 | Sodium Isotopes |
| 5 | Sclera |
| 5 | Rats, Inbred Strains |
| 5 | Randomized Controlled Trials as Topic |
| 5 | Radiochemistry |
| 5 | Quaternary Ammonium Compounds |
| 5 | Prostatism |
| 5 | Postoperative Period |
| 5 | Physicochemical Phenomena |
| 5 | Physical Stimulation |
| 5 | Penile Erection |
| 5 | Optical Processes |
| 5 | Optical Devices |
| 5 | Nanotechnology |
| 5 | Models, Animal |
| 5 | Minimally Invasive Surgical Procedures |
| 5 | Microscopy, Electron |
| 5 | Metals, Heavy |
| 5 | Melanosis |
| 5 | Mathematics |
| 5 | Mammary Neoplasms, Experimental |
| 5 | Magnesium |
| 5 | Lower Urinary Tract Symptoms |
| 5 | Lipid Bilayers |
| 5 | Limit of Detection |
| 5 | Laryngoscopy |
| 5 | Injections, Intravenous |
| 5 | Image Interpretation, Computer-Assisted |
| 5 | Image Enhancement |
| 5 | HeLa Cells |
| 5 | Graphite |
| 5 | Glottis |
| 5 | Fluorescent Dyes |
| 5 | Erythema |
| 5 | Electroencephalography |
| 5 | Edema |
| 5 | Citric Acid |
| 5 | Chlorides |
| 5 | Chemistry, Physical |
| 5 | Chemical Precipitation |
| 5 | Calcium Oxalate |
| 5 | Brachytherapy |
| 5 | Borates |
| 5 | Blood Loss, Surgical |
| 5 | Bismuth |
| 5 | Anticoagulants |
| 5 | Angioplasty, Laser |
| 5 | Americium |
| 4 | Yttrium Radioisotopes |
| 4 | X-Rays |
| 4 | Whole-Body Counting |
| 4 | Volatilization |
| 4 | Urologic Diseases |
| 4 | Urethral Stricture |
| 4 | Ureteroscopy |
| 4 | Ureteral Neoplasms |
| 4 | Tungsten Compounds |
| 4 | Surface Plasmon Resonance |
| 4 | Stapes Surgery |
| 4 | Sodium Chloride |
| 4 | Safety |
| 4 | Respiratory Function Tests |
| 4 | Research |
| 4 | Recurrence |
| 4 | Radiography |
| 4 | Radio Waves |
| 4 | Radiation Injuries |
| 4 | Protein Structure, Tertiary |
| 4 | Protein Binding |
| 4 | Potassium |
| 4 | Phosphatidylethanolamines |
| 4 | Nitrogen |
| 4 | Neutron Diffraction |
| 4 | Nerve Fibers |
| 4 | Neoplasms |
| 4 | Neoplasm Recurrence, Local |
| 4 | Muscles |
| 4 | Minerals |
| 4 | Microscopy, Electron, Scanning |
| 4 | Mice, Nude |
| 4 | Mass Spectrometry |
| 4 | Lung |
| 4 | Low-Level Light Therapy |
| 4 | Learning Curve |
| 4 | Lead |
| 4 | Infant |
| 4 | Incidence |
| 4 | Image Processing, Computer-Assisted |
| 4 | Hyperthermia, Induced |
| 4 | Heart |
| 4 | Gold |
| 4 | Gallbladder |
| 4 | Fluorouracil |
| 4 | Electrosurgery |
| 4 | Diagnostic Imaging |
| 4 | Densitometry |
| 4 | DNA |
| 4 | Conjunctiva |
| 4 | Child, Preschool |
| 4 | Chi-Square Distribution |
| 4 | Carbon Isotopes |
| 4 | Blood Pressure |
| 4 | Birefringence |
| 4 | Beta Particles |
| 4 | Amides |
| 4 | Adenosine Triphosphate |
| 4 | Adenocarcinoma |
| 3 | Zirconium |
| 3 | Zinc |
| 3 | Zinc Oxide |
| 3 | Whole Body Imaging |
| 3 | Urologic Surgical Procedures, Male |
| 3 | Urinary Catheterization |
| 3 | Uric Acid |
| 3 | Tracheal Diseases |
| 3 | Trace Elements |
| 3 | Therapeutic Irrigation |
| 3 | Technetium |
| 3 | Spectrometry, X-Ray Emission |
| 3 | Soil |
| 3 | Smoke |
| 3 | Skin Physiological Phenomena |
| 3 | Silicon |
| 3 | Silicates |
| 3 | Signal Processing, Computer-Assisted |
| 3 | Sheep |
| 3 | Severity of Illness Index |
| 3 | Semiconductors |
| 3 | Scandium |
| 3 | Sarcoma, Yoshida |
| 3 | Robotics |
| 3 | Risk Factors |
| 3 | Reference Standards |
| 3 | Radioactivity |
| 3 | Radiation |
| 3 | Radiation Monitoring |
| 3 | Probability |
| 3 | Postoperative Hemorrhage |
| 3 | Pneumonectomy |
| 3 | Plutonium |
| 3 | Pilot Projects |
| 3 | Phospholipids |
| 3 | Phosphatidylcholines |
| 3 | Phase Transition |
| 3 | Peptides |
| 3 | Palliative Care |
| 3 | Neoplasm Staging |
| 3 | Neoplasm Invasiveness |
| 3 | Myocardial Ischemia |
| 3 | Myocardial Infarction |
| 3 | Muscle, Smooth |
| 3 | Muscle Contraction |
| 3 | Molecular Imaging |
| 3 | Models, Statistical |
| 3 | Models, Anatomic |
| 3 | Micelles |
| 3 | Mice, Obese |
| 3 | Mice, Inbred C57BL |
| 3 | Meningioma |
| 3 | Meningeal Neoplasms |
| 3 | Membrane Potentials |
| 3 | Magnets |
| 3 | Macrophages |
| 3 | Lysosomes |
| 3 | Luminescent Agents |
| 3 | Lithium Compounds |
| 3 | Liposomes |
| 3 | Lighting |
| 3 | Leg |
| 3 | Islets of Langerhans |
| 3 | Iridium Radioisotopes |
| 3 | Intracellular Fluid |
| 3 | Infant, Newborn |
| 3 | Hyperpigmentation |
| 3 | Hydrolysis |
| 3 | Heterocyclic Compounds |
| 3 | Hemostasis, Surgical |
| 3 | Hematuria |
| 3 | Granuloma |
| 3 | Gramicidin |
| 3 | Gliosarcoma |
| 3 | Fullerenes |
| 3 | Fibrosarcoma |
| 3 | Fast Neutrons |
| 3 | Evaluation Studies as Topic |
| 3 | Erectile Dysfunction |
| 3 | Environmental Monitoring |
| 3 | Energy Metabolism |
| 3 | Electrocoagulation |
| 3 | Electric Stimulation |
| 3 | Duodenum |
| 3 | Dominance, Cerebral |
| 3 | Dissection |
| 3 | Discrimination (Psychology) |
| 3 | Diagnosis, Differential |
| 3 | Deuterium |
| 3 | Cystoscopy |
| 3 | Cystectomy |
| 3 | Computers |
| 3 | Cohort Studies |
| 3 | Cobalt Radioisotopes |
| 3 | Cholesterol |
| 3 | Cerebral Cortex |
| 3 | Cell Tracking |
| 3 | Cell Membrane |
| 3 | Carcinoma, Renal Cell |
| 3 | Carbon Dioxide |
| 3 | Cadmium |
| 3 | Bone Diseases |
| 3 | Biopsy |
| 3 | Barium |
| 3 | Avidin |
| 3 | Anterior Chamber |
| 3 | Amino Acids |
| 3 | Ambulatory Surgical Procedures |
| 3 | Aluminum Silicates |
| 3 | Afferent Pathways |
| 3 | Administration, Oral |
| 3 | Acute Disease |
| 3 | Action Potentials |
| 2 | Zinc Compounds |
| 2 | Water Pollutants, Chemical |
| 2 | Videotape Recording |
| 2 | Ventricular Function, Left |
| 2 | Venous Thrombosis |
| 2 | Urology |
| 2 | Urologic Surgical Procedures |
| 2 | Ultrasonic Therapy |
| 2 | Tumor Cells, Cultured |
| 2 | Trifluoroacetic Acid |
| 2 | Trees |
| 2 | Transplantation, Heterologous |
| 2 | Toxicology |
| 2 | Touch |
| 2 | Tongue Neoplasms |
| 2 | Tomography, Emission-Computed, Single-Photon |
| 2 | Tin Compounds |
| 2 | Thermometers |
| 2 | Thallium |
| 2 | Telecommunications |
| 2 | Technology, Radiologic |
| 2 | Tantalum |
| 2 | Swine, Miniature |
| 2 | Sus scrofa |
| 2 | Survival Analysis |
| 2 | Surveys and Questionnaires |
| 2 | Surgical Instruments |
| 2 | Strontium |
| 2 | Stomach |
| 2 | Stereoisomerism |
| 2 | Staining and Labeling |
| 2 | Spleen |
| 2 | Spinothalamic Tracts |
| 2 | Spectrometry, Mass, Secondary Ion |
| 2 | Spectrometry, Mass, Electrospray Ionization |
| 2 | Solubility |
| 2 | Software |
| 2 | Sodium-Potassium-Exchanging ATPase |
