[Fractional study of the gastric juice].
D005750:Gastric Juice / Q000032:analysis* / Q000378:metabolism; D005753:Gastric Mucosa / Q000378:metabolism; D006801:Humans; D007441:Intubation, Gastrointestinal / Q000451:nursing; D008722:Methods
Fraktsionnoe issledovanie zheludochnogo soka.