%0 Journal Article %T A 5-Year Audit of Accidental Dural Punctures, Postdural Puncture Headaches, and Failed Regional Anesthetics at a Tertiary-Care Medical Center %A Sukhdip Singh %A Shagufta Y. Chaudry %A Amy L. Phelps %A Manuel C Vallejo %J The Scientific World Journal %D 2009 %I %R 10.1100/tsw.2009.94 %U http://dx.doi.org/10.1100/tsw.2009.94