The preventive effect of heparin on stricture formation after caustic esophageal burns. - Bingöl-Koloğlu,M.; Tanyel,F.C.; Müftüoğlu,S.; Renda,N.; Çakar,N.; Büyükpamukçu,N.; Hiçsönmez,A. (J Pediatr Surg, 1999)