Longer therapy, iatrogenic amenorrhea, and survival in early breast cancer

Sandra M. Swain, Jong Hyeon Jeong, Charles E. Geyer, Joseph P. Costantino, Eduardo R. Pajon, Louis Fehrenbacher, James N. Atkins, Jonathan Polikoff, Victor G. Vogel, John K. Erban, Priya Rastogi, Robert B. Livingston, Edith A. Perez, Eleftherios P. Mamounas, Stephanie R. Land, Patricia A. Ganz, Norman Wolmark