title: Plasma methionine enkephalin. Increased levels during a migraine episode.
mesh_terms: D000208:Acute Disease; D000328:Adult; D004744:Enkephalin, Methionine / Q000097:blood* / Q000134:cerebrospinal fluid; D005260:Female; D006801:Humans; D008875:Middle Aged; D008881:Migraine Disorders / Q000097:blood* / Q000134:cerebrospinal fluid
chemical_list: D004744:Enkephalin, Methionine