腹腔內感染
Intraabdominal, not specified elsewhere
IAB
肝炎
Hepatitis
HEP
嬰兒壞死性腸炎
Necrotizing enterocolitis
NEC
腸胃道感染
Gastrointestinal (GI) tract
GIT
腸胃炎
Gastroenteritis
GE
腸胃系統感染(Gastrointestinal system infection)