C1 esterase inhibitor deficiency as a cause of abdominal pain.
D000005:Abdomen; D000799:Angioedema / Q000150:complications* / Q000235:genetics; D003174:Complement C1 Inactivator Proteins / Q000172:deficiency*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000209:etiology*; D012008:Recurrence
D003174:Complement C1 Inactivator Proteins