Güneş, D., Konur, H., OZYAPRAK, B. and Erkan, G. (2020) “Comparing Different Positions of the Spinal Needle Tip, During Spinal Anesthesia of the Pilonidal Sinus Surgery: he Spinal Needle Tip Spinal Anesthesia”, International Journal of Medical Science and Clinical Invention, 7(01), pp. 4714–4719. doi: 10.18535/ijmsci/v7i01.08.