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Subjects
- Radiation Dosage1
- Radiation Injuries -- etiology1
- Radiation, Ionizing1
- Radiology, Interventional1
- Randomized Controlled Trials as Topic1
- Rare Books -- history1
- Referral and Consultation2
- Refuse Disposal -- methods1
- Reimbursement Mechanisms1
- Reimbursement Mechanisms -- economics2
- Reimbursement Mechanisms -- statistics & numerical data1
- Reimbursement, Disproportionate Share2
- Religion and Medicine1
- Residence Characteristics2
- Resuscitation Orders1
- Retirement2
- Retirement -- economics5
- Retirement -- statistics & numerical data7
- Retirement -- trends4
- Rewarming1