TY - GEN AU - GILBERT,S S AU - MATZNER,M J TI - Gastric analysis without intubation; survey and evaluation of the tubeless (diagnex) method for determination of free hydrochloric acid SN - 0002-9270 PY - 2003///0501 KW - Data Collection KW - Gastric Juice KW - Gastrointestinal Contents KW - Hydrochloric Acid KW - Intubation KW - Ion Exchange Resins N1 - Publication Type: Journal Article ER -