I. Sudo

Glycogen estimation by a rapid enzymic method in very small samples of human endometrium: glycogen content in the endometrium of infertile patients during the menstrual cycle.

K. Nakahara, M. Maeyama, K. Saito, 1977, Fertility and sterility.

Conversion of 20α-hydroxy-4-pregnen-3-one to progesterone by human endometrium in vitro

K. Nakahara, N. Mori, M. Maeyama, 1973 .