APA

Surender Kumar, University of Delhi. Faculty of Medical Sciences. Department of Surgery, Dr. M. P. Arora Gu, Dr. Puneet Dargan Gu, Prof. Ajay Kumar Gu & University of Delhi. Faculty of Medical Sciences. Department of Surgery. (2006). Comparative study of open versus laparoscopic cholecystectomy in elderly patients including risk factors for conversion. : .

Chicago

Surender Kumar, University of Delhi. Faculty of Medical Sciences. Department of Surgery, Dr. M. P. Arora Gu, Dr. Puneet Dargan Gu, Prof. Ajay Kumar Gu and University of Delhi. Faculty of Medical Sciences. Department of Surgery. 2006. Comparative study of open versus laparoscopic cholecystectomy in elderly patients including risk factors for conversion. : .

Harvard

Surender Kumar, University of Delhi. Faculty of Medical Sciences. Department of Surgery, Dr. M. P. Arora Gu, Dr. Puneet Dargan Gu, Prof. Ajay Kumar Gu and University of Delhi. Faculty of Medical Sciences. Department of Surgery. (2006). Comparative study of open versus laparoscopic cholecystectomy in elderly patients including risk factors for conversion. : .

MLA

Surender Kumar, University of Delhi. Faculty of Medical Sciences. Department of Surgery, Dr. M. P. Arora Gu, Dr. Puneet Dargan Gu, Prof. Ajay Kumar Gu and University of Delhi. Faculty of Medical Sciences. Department of Surgery. Comparative study of open versus laparoscopic cholecystectomy in elderly patients including risk factors for conversion. : . 2006.