- radiochromatograms32
- radiosensitivities24
- rambunctiousnesses31
- rechromatographies33
- rechromatographing36
- reconstructionisms30
- reconstructionists27
- recrystallizations35
- redistributionists24
- rehospitalizations34
- reinstitutionalize31
- remunerativenesses28
- renationalizations31
- reprehensibilities28
- representationally27
- representativeness27
- representativities26
- revascularizations37
- rhabdomyosarcomata35
- ribonucleoproteins31
- roentgenologically32