Güneş, D., Konur, H., OZYAPRAK, B., & 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), 4714–4719. https://doi.org/10.18535/ijmsci/v7i01.08