[Diphenylamine reaction in serum and gastric juice].
D000814:Aniline Compounds; D001774:Blood Chemical Analysis; D005750:Gastric Juice / Q000032:analysis*; D006801:Humans; D007202:Indicators and Reagents; D010437:Peptic Ulcer / Q000175:diagnosis*; D013274:Stomach Neoplasms / Q000175:diagnosis*
D000814:Aniline Compounds; D007202:Indicators and Reagents
Reacción de difenilamina en suero y jugo gástrico.