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The decline in American children's fitness levels.
Kuntzleman CT, Reiff GG. Kuntzleman CT, et al. Among authors: reiff gg. Res Q Exerc Sport. 1992 Jun;63(2):107-11. doi: 10.1080/02701367.1992.10607567. Res Q Exerc Sport. 1992. PMID: 1585054 No abstract available.
Commentaries.
Reiff GG. Reiff GG. Can Med Assoc J. 1967 Mar 25;96(12):886-7. Can Med Assoc J. 1967. PMID: 20328857 Free PMC article. No abstract available.