- Racepinephrine
- Radiation Injuries
- Radiation Protection
- Radiation-Protective Agents
- Radiation Tolerance
- Radiculopathy
- Radiography, Thoracic
- Radioisotopes
- Radionuclide Imaging
- Radiopharmaceuticals
- Radiosurgery
- Radiotherapy
- Radiotherapy, Adjuvant
- Radiotherapy, Conformal
- Radius
- Radius Fractures
- Random Allocation
- Randomized Controlled Trials as Topic
- Range of Motion, Articular
- Ranibizumab
- Ranolazine
- Rare Diseases
- Raynaud Disease
- Reading
- Reagent Kits, Diagnostic
- Reagent Strips
- Reality Therapy
- Receptor, Cannabinoid, CB1
- Receptor, Epidermal Growth Factor
- Receptor, erbB-2
- Receptors, Fc
- Receptors, Interleukin-2
- Receptors, N-Methyl-D-Aspartate
- Receptors, Opioid, mu
- Receptors, Oxytocin
- Receptors, Progesterone
- Receptors, Thrombopoietin
- Receptors, Tumor Necrosis Factor
- Receptors, Vascular Endothelial Growth Factor
- Recombinant Fusion Proteins
- Recombinant Proteins
- Recommended Dietary Allowances
- Reconstructive Surgical Procedures
- Recovery of Function
- Rectal Diseases
- Rectal Fistula
- Rectal Neoplasms
- Rectal Prolapse
- Rectum
- Rectus Abdominis
- Referral and Consultation
- Reflexotherapy
- Reflex Sympathetic Dystrophy
- Refractive Errors
- Refusal to Participate
- Registries
- Rehabilitation
- Rehabilitation, Vocational
- Rehabilitation Centers
- Rehydration Solutions
- Reimbursement, Incentive
- Reimbursement Mechanisms
- Reinforcement, Social
- Reinforcement (Psychology)
- Re-Irradiation
- Reishi
- Relaxation Therapy
- Relaxin
- Religion
- Religion and Medicine
- Reminder Systems
- Remote Consultation
- Remuneration
- Renal
- Renal Agents
- Renal Artery Obstruction
- Renal Colic
- Renal Dialysis
- Renal Insufficiency
- Renal Insufficiency, Chronic
- Renal Replacement Therapy
- Renin
- Renin-Angiotensin System
- Reperfusion
- Reperfusion Injury
- Replantation
- Reproductive Control Agents
- Reproductive Techniques, Assisted
- Reproductive Tract Infections
- Research Personnel
- Research Report
- Research Subjects
- Research Support as Topic
- Reserpine
- Residential Facilities
- Residential Treatment
- Resins, Synthetic
- Resistance Training
- Respiration
- Respiration, Artificial
- Respiration Disorders
- Respiratory Distress Syndrome, Adult
- Respiratory Distress Syndrome, Newborn
- Respiratory Function Tests
- Respiratory Insufficiency
- Respiratory Muscles
- Respiratory Paralysis
- Respiratory Protective Devices
- Respiratory Sounds
- Respiratory Syncytial Virus Infections
- Respiratory System
- Respiratory System Agents
- Respiratory Therapy
- Respiratory Tract Diseases
- Respiratory Tract Infections
- Respiratory Tract Neoplasms
- Respite Care
- Restless Legs Syndrome
- Restraint, Physical
- Resuscitation
- Retinal Artery Occlusion
- Retinal Degeneration
- Retinal Detachment
- Retinal Drusen
- Retinal Neoplasms
- Retinal Neovascularization
- Retinal Perforations
- Retinal Vein Occlusion
- Retinitis Pigmentosa
- Retinoblastoma
- Retinoids
- Retinopathy of Prematurity
- Retraction of Publication as Topic
- Return to Work
- Reverse Transcriptase Inhibitors
- Review Literature as Topic
- Reward
- Rhabdomyolysis
- Rhabdomyosarcoma
- Rheum
- Rheumatic Fever
- Rheumatic Heart Disease
- Rhinitis
- Rhinitis, Allergic, Perennial
- Rhinitis, Allergic, Seasonal
- Rhinitis, Atrophic
- Rhinoplasty
- Rh Isoimmunization
- Rho(D) Immune Globulin
- Rhytidoplasty
- Ribavirin
- Riboflavin
- Rickets
- Rifabutin
- Rifampin
- Riluzole
- Rimantadine
- Risk
- Risk Management
- Risk Reduction Behavior
- Risk-Taking
- Risperidone
- Rituximab
- Rivastigmine
- Robotics
- Robotic Surgical Procedures
- Rooming-in Care
- Root Canal Filling Materials
- Root Canal Irrigants
- Root Canal Preparation
- Root Canal Therapy
- Root Planing
- Root Resorption
- Rosacea
- Rosuvastatin Calcium
- Rotator Cuff
- Rotator Cuff Injuries
- Rotavirus Infections
- Rotavirus Vaccines
- Roxithromycin
- Rubella
- Rubella Syndrome, Congenital
- Rumex
- Running
- Rural Health
- Rural Health Services
- Rutin
Cochrane Abstracts