Andrew Berchuck, Gene P. Siegal, Masakuni Furusato, Yoshiteru Terashima, Matthew F. Kohler, Hiroshi Nishii, Hiroyuki Takahashi, Akio Tada, Sheryl L. Parker, Jeff Boyd, Hiroshi Sasaki,
Mutation of the Ki-ras protooncogene in human endometrial hyperplasia and carcinoma. Cancer Research. ,vol. 53, pp. 1906- 1910 ,(1993)