Chowdhury, Iqbal Hossain, Hasina Begum, Asia Begum, AKM Akhtaruzzaman, and KM Iqbal. “Evaluation of Tip Holed Spinal Needle - A Comparative Study”. Journal of the Bangladesh Society of Anaesthesiologists 18, no. 1 (December 22, 2009): 3–8. Accessed December 15, 2024. https://banglajol.info/index.php/JBSA/article/view/4030.