title: Commentary on Tonkin. On the classification of congenital thumb hypoplasia.
authors.affiliation: Department of Plastic and Reconstructive Surgery, and Hand Surgery, Sophia's Children's Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands s.e.r.hovius@erasmusmc.nl.
authors.forename: S E R
authors.initials: SE
authors.lastname: Hovius
authors.affiliation: Department of Plastic and Reconstructive Surgery, and Hand Surgery, Sophia's Children's Hospital, Erasmus MC University Medical Center, Rotterdam, The Netherlands.
authors.forename: C
authors.initials: C
authors.lastname: van Nieuwenhoven
mesh_terms: D006226:Hand Deformities / Q000145:classification*; D006801:Humans; D013933:Thumb / Q000002:abnormalities*