[Gastrointestinal probe].
Kreknin
A F
AF
Kreknin
A A
AA
D002404:Catheterization / Q000295:instrumentation*; D004064:Digestive System; D004386:Duodenum / Q000378:metabolism; D005745:Gastric Acidity Determination; D005750:Gastric Juice; D006801:Humans