CAN THE UREA-BREATH-TEST BE CHALLENGED BY ENDOSCOPY AS FIRST LINE DIAGNOSTIC-TOOL - A COST-EFFECTIVE ANALYSIS BASED ON ANTIBIOTIC-RESISTANCE AGAINST INITIAL TREATMENT CHOICE
T. Breuer et Dy. Graham, CAN THE UREA-BREATH-TEST BE CHALLENGED BY ENDOSCOPY AS FIRST LINE DIAGNOSTIC-TOOL - A COST-EFFECTIVE ANALYSIS BASED ON ANTIBIOTIC-RESISTANCE AGAINST INITIAL TREATMENT CHOICE, Gut, 41, 1997, pp. 127-127