title: Comments on 'Hydrodynamics optimization in butterfly swimming: position, drag coefficient and performance'.
authors.forename: H M
authors.initials: HM
authors.lastname: Toussaint
authors.forename: C
authors.initials: C
authors.lastname: van den Berg
mesh_terms: D006801:Humans; D008962:Models, Theoretical; D013550:Swimming; D013997:Time Factors; D014867:Water
chemical_list: D014867:Water