Post-lumbar puncture headache is reduced with use of atraumatic needles in ALS. Issue 7 (December 2013) - Quinn, Colin; Macklin, Erik A.; Atassi, Nazem; Bowser, Robert; Boylan, Kevin; Cudkowicz, Merit; Fournier, Christina; Ladha, Shafeeq S.; Lacomis, David; Berry, James