title: Histaminic cephalalgia differentiated from acute nasal sinusitis.
mesh_terms: D000208:Acute Disease; D003937:Diagnosis, Differential; D005260:Female; D006261:Headache / Q000175:diagnosis*; D006636:Histamine Release; D006801:Humans; D008297:Male; D012852:Sinusitis / Q000175:diagnosis*