title: Palm print sign in prediction of difficult laryngoscopy in diabetes.
authors.affiliation: Medical Centre, Shantou, Guangdong, China.
authors.forename: Sim Sai
authors.initials: SS
authors.lastname: Tin
authors.affiliation: Hainan Medical University, Haikou, Hainan, China E-mail: simsaitin@gmail.com.
authors.forename: Viroj
authors.initials: V
authors.lastname: Wiwanitkit