Gruhn, John G.; Roth, Lawrence M. (October 1998). "History of Gynecological Pathology V. Dr. Walter Schiller". Int J Gynecol Pathol. 17 (4): 380–386. doi:10.1097/00004347-199810000-00015. PMID9785142.
Gruhn, John G.; Roth, Lawrence M. (October 1998). "History of Gynecological Pathology V. Dr. Walter Schiller". Int J Gynecol Pathol. 17 (4): 380–386. doi:10.1097/00004347-199810000-00015. PMID9785142.