TY - BOOK AU - Mahesh.S.B. AU - Nalini Kotekar TI - Postdural puncture headache,comparison of 23 guage,25 guage, 27 guage quicnke and 25 guage whitacare needles -a study PY - 2009/// CY - Mysore PB - JSS Medical College, Mysore KW - Anaesthesia (617.96) ER -