title: Acalculous cholecystitis in critically ill patients.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002763:Cholecystectomy; D002764:Cholecystitis / Q000175:diagnosis / Q000209:etiology / Q000601:surgery*; D005260:Female; D005704:Gallbladder / Q000601:surgery*; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011183:Postoperative Complications; D014947:Wounds and Injuries / Q000150:complications