title: An occupational mark of screwdriver operators.
authors.affiliation: Department of Community, Occupational and Family Medicine, National University of Singapore.
authors.forename: D
authors.initials: D
authors.lastname: Koh
authors.forename: J
authors.initials: J
authors.lastname: Jeyaratnam
authors.forename: T C
authors.initials: TC
authors.lastname: Aw
mesh_terms: D002145:Callosities / Q000209:etiology*; D009783:Dermatitis, Occupational / Q000209:etiology*; D004581:Electronics; D006229:Hand Dermatoses / Q000209:etiology*; D006801:Humans