TY - GEN AU - McDONALD,L E AU - HAYS,R L TI - The effects of prepartum administration of progesterone to the cow SN - 0002-9645 PY - 2000///0701 KW - Animals KW - Cattle KW - Female KW - Labor, Obstetric KW - Pregnancy KW - physiology KW - Progesterone KW - pharmacology N1 - Publication Type: Journal Article ER -