Anderson KC, Alsina M, Bensinger W, Biermann JS, Chanan-Khan A, Cohen AD, Devine S, Djulbegovic B, Gasparetto C, Huff CA, Jagasia M, Medeiros BC, Meredith R, Raje N, Schriber J, Singhal S, Somlo G, Stockerl-Goldstein K, Tricot G, Vose JM, Weber D, Yahalom J, Yunus F. NCCN clinical practice guidelines in oncology: multiple myeloma. J Natl Compr Canc Netw. 2009 Oct; 7(9):908-42.