TY - GEN AU - van der Kuy,A TI - [Does the body manufacture its own natural analgesics?] PY - 1979///0516 KW - Analgesics KW - Endorphins KW - biosynthesis KW - Enkephalins KW - Humans KW - Receptors, Opioid KW - physiology N1 - Publication Type: Journal Article ER -