Please confirm that you are not located inside the Russian Federation
Enter search terms to find related medical topics, multimedia and more.
• Use “ “ for phrases
o [ “pediatric abdominal pain” ]
• Use – to remove results with certain terms
o [ “abdominal pain” –pediatric ]
• Use OR to account for alternate terms
o [teenager OR adolescent ]
Esta persona tiene labios hinchados a causa de un angioedema.
DR P. MARAZZI/SCIENCE PHOTO LIBRARY