Authors: R E Frisch; A V Gotz-Welbergen; J W McArthur; T Albright; J Witschi; B Bullen; J Birnholz; R B Reed; H Hermann Journal: JAMA Date: 1981-10-02 Impact factor: 56.272
Authors: L H Calabrese; D T Kirkendall; M Floyd; S Rapoport; G W Williams; G G Weiker; J A Bergfeld Journal: Phys Sportsmed Date: 1983-02 Impact factor: 2.241