Chavadi Vivek Manohar, Raj Kumar Chandan, Vidushi, Khushbu Sharma, Madhuri P Lonikar, and Sukanta Sen. “A Comparative Study of Intravenous Tramadol Versus Butorphanol for Control of Shivering in Patients Undergoing Spinal Anesthesia”. Asian Pacific Journal of Health Sciences 5, no. 2 (June 30, 2018): 142–147. Accessed July 22, 2024. https://apjhs.com/index.php/apjhs/article/view/591.