Palbociclib and Letrozole in Advanced Breast Cancer
Pfizer
Richard S Finn; Miguel Martin; Hope S Rugo; Stephen Jones; Seock-Ah Im; Karen Gelmon; Nadia Harbeck; Oleg N Lipatov; Janice M Walshe; Stacy Moulder; Eric Gauthier; Dongrui R Lu; Sophia Randolph; Véronique Diéras; Dennis J Slamon