Comparing the Incidence of Postdural Puncture Headache After Diagnostic Lumbar Puncture due to 22 Gauge Standard Versus 25 Gauge Atraumatic Needle : A Randomized Controlled Trial. Chatt Maa Shi Hosp Med Coll J [Internet]. 2021 May 25 [cited 2026 Jul. 2];20(1):67-71. Available from: https://banglajol.info/index.php/CMOSHMCJ/article/view/53591