TY - GEN AU - Lionel,N D TI - Opioid peptides in the brain SN - 0009-0875 PY - 1979///0925 KW - Animals KW - Brain KW - metabolism KW - Cattle KW - Endorphins KW - Enkephalins KW - Humans KW - Receptors, Opioid KW - Swine N1 - Publication Type: Journal Article ER -