AU - Crandall CJ, Aragaki AK, Chlebowski RT, et al TI - NEw-onset breast tenderness after initiation of estrogen plus progestin therapy and breast cancer risk PT - JOUR DP - 2009 TA - Archives of Internal Medicine pages = {1684-1691}, VI - 169 IP - 18 AID - 10.1001/archinternmed.2009.303 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2009.303 SO - Archives of Internal Medicine October 12, 2009 169(18):1684