I. Yamada

Sperm penetration in vitro of human oocytes matured in a chemically defined medium.

A. Iritani, T. Nishimoto, K. Niwa, 1982, Journal of reproduction and fertility.

A new method for detection of anti-zona activity in human sera using latex agglutination reaction

I. Takai, Y. Noda, S. Hayashi, 1983, Experientia.

Autoantibodies to zona pellucida in infertile and aged women.

T. Nishimoto, T. Mori, T. Nishimura, 1980, Fertility and sterility.

Sperm penetration in vitro of human oocytes matured in a chemically defined medium.

A. Iritani, T. Nishimoto, K. Niwa, 1982, Journal of reproduction and fertility.