Islam, M. A., Begum, A., & Shahida, S. (2016). Comparison of 27 G Quincke and 25 G Quincke Needles for Post Dural Puncture Headache in Caesarean Section. Journal of Armed Forces Medical College, Bangladesh, 12(1), 17–21. https://doi.org/10.3329/jafmc.v12i1.39951