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Subjects
- Radiation Dosage1
- Radiography1
- Radiography, Dental1
- Radiology1
- Radiotherapy -- adverse effects1
- Radiotherapy Dosage -- standards1
- Radium -- therapeutic use1
- Rats1
- Raw Foods1
- Reconstructive Surgical Procedures1
- Recovery of Function1
- Rectal Diseases4
- Reed, Walter, 1851-1902.1
- Regional Blood Flow -- physiology1
- Rejuvenation3
- Religion1
- Religious Philosophies1
- Research1
- Respiration, Artificial -- methods1
- Rheumatic Fever2