Upper gastrointestinal lesions in acute bulbar poliomyelitis.
D005767:Gastrointestinal Diseases / Q000150:complications*; D011051:Poliomyelitis; D011052:Poliomyelitis, Bulbar / Q000150:complications*; D041742:Upper Gastrointestinal Tract
GASTROINTESTINAL DISEASES/complications; POLIOMYELITIS, BULBAR/complications