TY - BOOK AU - Mann Mohender Singh AU - Hadke N S Gu. AU - University of Delhi. Faculty of Medical Sciences. Department of Surgery ED - University of Delhi. Faculty of Medical Sciences. Department of Surgery TI - Prospective randomized controlled trail to compare the effects of topical nitroglycerine, xylocaine, proctosedyl and placebo on primary idiopathic chronic anal fissure PY - 1998/// KW - SURGERY ER -