[Tubeless gastric chemical analysis].
D004396:Coloring Agents; D005750:Gastric Juice; D005766:Gastrointestinal Contents; D007475:Ion Exchange Resins; D013270:Stomach
D004396:Coloring Agents; D007475:Ion Exchange Resins
DYES; GASTRIC JUICE; ION EXCHANGE RESINS
Quimismo gástrico sin sondeo.