TY - GEN AU - Kamada,M AU - Irahara,M AU - Aono,T TI - [Action of synthetic progestin] SN - 0047-1852 PY - 1994///0524 KW - Estrogen Antagonists KW - Female KW - Humans KW - Male KW - Pregnancy KW - Pregnancy Maintenance KW - drug effects KW - Progesterone Congeners KW - chemistry N1 - Publication Type: English Abstract; Journal Article; Review ER -