Islam, Md Anisul, Amena Begum, and SM Shahida. 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.