Alma Mater Studiorum—Universita' di Bologna
Alphamed
Alphatec
Alphatec Spine, Incorporated
Altman Gregory
Alvarado Alfredo
Alvine Franklin G.
Amae Shintaro
Amante Gregory
Amaya Edward I.
Ambrosio Luigi
Amedica Corporation
Amid Parviz K.
Amiri Ahmad
Amirouche Farid
Amis Andrew
Amon Michael
Amos Ray
Amrich Mark
Amrich Mark P.