title: [How to calculate the natural history of a disease].
mesh_terms: D000328:Adult; D000368:Aged; D003093:Colitis, Ulcerative / Q000150:complications*; D003110:Colonic Neoplasms / Q000209:etiology / Q000401:mortality*; D003424:Crohn Disease / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D012008:Recurrence; D012306:Risk; D013223:Statistics as Topic
vernacular_title: Comment calculer l'histoire naturelle d'une maladie?