in placebo-controlled randomized double-blind cross-over-fashion the gastric and duodenal tolerance of a 6 day treatment with 3000 mg acetylsalicylic acid ( asa ; as a commercially available preparation ) and 3000 mg paracetamol ( tylenol ) were directly compared in 12 healthy volunteers .
C0000970
paracetamol
C0699142
tylenol