Ultrasound-guided percutaneous cholecystostomy for acute cholecystitis in critically ill patients: One center’s experience - BAŞARAN, Özgür; YAVUZER, Nazlı; SELÇUK, Haldun; HARMAN, Ali; KARAKAYALI, Hamdi; BİLGİN, Nevzat (Turkish Journal of Gastroenterology, 2005)