Tubeless gastric analysis; evaluation of a technic using a dye-resin compound.
D004396:Coloring Agents; D004063:Digestion; D005750:Gastric Juice / Q000502:physiology*; D005766:Gastrointestinal Contents; D007475:Ion Exchange Resins; D012116:Resins, Plant
D004396:Coloring Agents; D007475:Ion Exchange Resins; D012116:Resins, Plant
DYES; GASTRIC JUICE/physiology; ION EXCHANGE RESINS