Rahman, M. A., Alam, A. M., Mandal, M. A., Kamruzzaman, M., Kabir, M. A., Begum, S. A. and Karmakar, C. S. (2017) “Incidence of Postdural Puncture Headache after Caesarean Section Comparison Between 25G and 27G Quincke Variety of Spinal Needle”, KYAMC Journal, 7(2), pp. 762–769. doi: 10.3329/kyamcj.v7i2.33832.