title: Need for etiological classification of chronic pancreatitis.
authors.forename: Akos
authors.initials: A
authors.lastname: Pap
mesh_terms: D002908:Chronic Disease; D014943:Global Health; D006801:Humans; D010195:Pancreatitis / Q000145:classification* / Q000453:epidemiology / Q000209:etiology*; D015995:Prevalence; D012720:Severity of Illness Index