Valkhoff, V.E.

nsaid study patient event database prescription coxib nsnsaid nherf strategy factor cohort nsaid users ugi events clopidogrel complication adherence ulcer episode netherland control inhibitor nhe 3 activity chapter population nherf 1 ugi risk factors number risk factors aspirin gastroprotective result table ugi event caco -2/bbe cells model rofecoxib ugi complications nsaid use effect period nherf 2 index date disease information association gpa adherence italy ppi use exposure nsaid prescription nhe 3 withdrawal rofecoxib withdrawal guideline safety analysis erasmus university health month ugi complication activity history trial country cv risk index university <0.001 outcome practice incidence follow-up estimate department research group european children anti-inflammatory