Wertheim I, Muto M G, Welch W R, Bell D A, Berkowitz R S, Mok S C
Department of Obstetrics, Gynecology and Reproductive Biology, Brigham and Women's Hospital, Harvard Medical School, Boston, Mass.
J Natl Cancer Inst. 1994 Oct 19;86(20):1549-51. doi: 10.1093/jnci/86.20.1549.