title: Early or delayed cholecystectomy in acute cholecystitis? A clinical trial.
mesh_terms: D000208:Acute Disease; D002763:Cholecystectomy; D002764:Cholecystitis / Q000601:surgery*; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D007902:Length of Stay; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D011446:Prospective Studies; D013997:Time Factors