[Cytodiagnosis of stomach and duodenal juice].
D003581:Cytodiagnosis; D004379:Duodenal Neoplasms / Q000175:diagnosis*; D004386:Duodenum / Q000502:physiology*; D006801:Humans; D066298:In Vitro Techniques; D012636:Secretory Rate; D013274:Stomach Neoplasms / Q000175:diagnosis*