Search Results - John Geldhof

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    An observational study of recess quality and physical activity in urban primary schools by William V. Massey, Megan B. Stellino, John Geldhof

    Published 2020
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  2. 2
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    Evaluating the effects between metal mixtures and serum vaccine antibody concentrations in children: a prospective birth cohort study by Barrett M. Welch, Adam Branscum, G. John Geldhof, Sharia M. Ahmed, Perry Hystad, Ellen Smit, Sakila Afroz, Meghan Megowan, Mostofa Golam, Omar Sharif, Mahmuder Rahman, Quazi Quamruzzaman, David C. Christiani, Molly L. Kile

    Published 2020
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