Y. Obara

发表

T. Ikeuchi, I. Hayata, S. Kohno, 1971, American journal of obstetrics and gynecology.

A. Sandberg, Y. Obara, H. Weinfeld, 1974 .

K. Saitoh, Y. Obara, T. Tomiyasu, 1976 .

A. Sandberg, Y. Obara, H. Weinfeld, 1974, Journal of the National Cancer Institute.

Y. Obara, D. Fukushi, M. Shichiri, 2001 .