Som Raj Mahajan, Monika Mahajan, Usha Chaudhary, Sudarshan Kumar. IOSR-JDMS e-ISSN 2279-0853, p-ISSN 2279-0869 Volume17 Issue4 version12 april 2018, PP74-78:Evaluation of Baska Mask performance in laparoscopic cholecystectomy.