PEPTIC ULCER IN THE PAST HALF-CENTURY.
D064751:Ammonium Compounds; D002118:Calcium; D002136:Calcium, Dietary; D002254:Carbonates; D004032:Diet; D004035:Diet Therapy; D008274:Magnesium; D010437:Peptic Ulcer; D000644:Quaternary Ammonium Compounds
D064751:Ammonium Compounds; D002136:Calcium, Dietary; D002254:Carbonates; D000644:Quaternary Ammonium Compounds; D008274:Magnesium; D002118:Calcium
AMMONIUM COMPOUNDS; CALCIUM; CARBONATES; DIET THERAPY; MAGNESIUM; PEPTIC ULCER