TY - RPRT TI - Endogenous opioid peptides and hypothalamo-pituitary function. AU - T A Howlett AU - L H Rees PY - 1986 DO - 10.1146/annurev.ph.48.030186.002523 UR - https://pubmed.ncbi.nlm.nih.gov/3010826/ ID - 3010826 ER -