title: Use of 532-nm Q-switched Nd:YAG laser for smoker's gingival hyperpigmentation.
authors.affiliation: Department of Dermatology and Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, Korea.
authors.forename: Sung Bin
authors.initials: SB
authors.lastname: Cho
authors.forename: Ju Hee
authors.initials: JH
authors.lastname: Lee
authors.forename: Woonkyung
authors.initials: W
authors.lastname: Seo
authors.forename: Dongsik
authors.initials: D
authors.lastname: Bang