R in Research
- Rabies
- Rabson-Mendenhall syndrome
- Radial defect Robin sequence
- Radial hypoplasia- triphalangeal thumbs and hypospadias
- Radial ray hypoplasia choanal atresia
- Radiation induced angiosarcoma of the breast
- Radiation induced brachial plexopathy
- Radiation induced meningioma
- Radiation related neoplasm
- Radio digito facial dysplasia
- Radio renal syndrome
- Radio-ulnar synostosis type 1
- Radio-ulnar synostosis type 2
- Radioulnar synostosis retinal pigment abnormalities
- Radius absent anogenital anomalies
- Raine syndrome
- Rambaud Galian syndrome
- Ramer Ladda syndrome
- Ramon Syndrome
- Ramos Arroyo Clark syndrome