title: [Preliminary comparative study of morphine and enkephalin (proceedings)].
mesh_terms: D004355:Drug Stability; D004745:Enkephalins; D009020:Morphine; D009842:Oligopeptides; D011487:Protein Conformation; D013329:Structure-Activity Relationship
chemical_list: D004745:Enkephalins; D009842:Oligopeptides; D009020:Morphine
vernacular_title: Etude comparative préliminaire de la morphine et de l'encéphaline.