Headache clinics No. 6:  the problem of nausea and vomiting during headache attacks.
D000818:Animals; D001522:Behavior, Animal; D006261:Headache / Q000150:complications*; D006801:Humans; D009325:Nausea / Q000150:complications*; D012919:Social Behavior; D014839:Vomiting / Q000150:complications*
HEADACHE/complications; NAUSEA/complications; VOMITING/complications