title: [Study of "medical headaches". 4. Discussion of the relative incidence found with the nitrite induction test].
mesh_terms: D006261:Headache / Q000175:diagnosis / Q000453:epidemiology*; D006801:Humans; D007558:Italy; D008881:Migraine Disorders / Q000175:diagnosis / Q000453:epidemiology*; D009573:Nitrites; D005996:Nitroglycerin
chemical_list: D009573:Nitrites; D005996:Nitroglycerin
vernacular_title: Studio sulle "cefalee mediche". 4. Discussione sulle incidenze percentuali riscontrate con la prova di induzione mediante nitriti.