title: C4 deficiency in chronic angioedema.
authors.affiliation: Unidad de Alergia ,Hospital Central de Asturias, Oviedo, Spain. alergis@hca.es
authors.forename: J
authors.initials: J
authors.lastname: Azofra
authors.forename: M
authors.initials: M
authors.lastname: López-Trascasa
mesh_terms: D000799:Angioedema / Q000150:complications / Q000235:genetics*; D002908:Chronic Disease; D003181:Complement C4 / Q000172:deficiency*; D005260:Female; D006801:Humans; D008875:Middle Aged
chemical_list: D003181:Complement C4