Preoperative Investigations: Practice Guidelines from the Indian Society of Anaesthesiologists oleh Goneppanavar Umesh, S Bala Bhaskar, S S Harsoor, Pradeep A Dongare, Rakesh Garg, Sudheesh Kannan, Zulfiqar Ali, Abhijit Nair, Anjali Rakesh Bhure, Anju Grewal, Baljit Singh, Durga Prasad Rao, Jigeeshu Vasishtha Divatia, Mahesh Sinha, Manoj Kumar, Muralidhar Joshi, Naman Shastri, Naveen Malhotra, Priyam Saikia, M C Rajesh, Sabyasachi Das, Santu Ghosh, M Subramanyam, Thrivikrama Tantry, Vandana Mangal, Venkatesh H Keshavan