title: Another comment on "Drug induced refractory headache".
authors.forename: Eric
authors.initials: E
authors.lastname: Schuman
mesh_terms: D000700:Analgesics / Q000009:adverse effects* / Q000627:therapeutic use; D005500:Follow-Up Studies; D006261:Headache / Q000139:chemically induced* / Q000188:drug therapy; D006801:Humans
chemical_list: D000700:Analgesics