title: Use of pure nicotine for the treatment of aphthous ulcers.
authors: Dental Students Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
authors: Mahmood Reza Kalantar
authors: MR
authors: Motamedi
authors: Torabinejad Dental Research Center and Department of Oral Medicine, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran.
authors: Zahra
authors: Z
authors: Golestannejad