OECD validation of the Hershberger assay in Japan: phase 2 dose response of methyltestosterone, vinclozolin, and p,p'-DDE.
Kanji Yamasaki, Masakuni Sawaki, Ryo Ohta, Hirokazu Okuda, Seiichi Katayama, Tomoya Yamada, Takafumi Ohta, Tadashi Kosaka, and William Owens
Environ Health Perspect. 2003 December; 111(16): 1912–1919. PMCID: PMC1241766