Raj K. Goyal
Rajan Krishnamani
Rajaratnam Skantharaja
Rajashri S. Iyengar
Rakesh Karmacharya
Rakhi Kohli
Ralph Delatorre
Ralph Metson MD
Ralph Weissleder
Ramachandiran Cooppan
Randall D. Gaz
Randall H. Paulsen
Randall S. Glidden
Randy L. Gollub
Raphael Dolin
Raymond M. Smith
Rebeca N. Alvarez-altalef
Rebecca A. Silliman
Rebecca L. Vieira
Rebecca P. Gelber