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Sacheck, Jennifer M., Maria I. Van Rompay, Elizabeth M. Olson, Virginia R. Chomitz, Elizabeth Goodman, Catherine M. Gordon, Misha Eliasziw, Michael F. Holick, ja Christina D. Economos. "Recruitment and Retention of Urban Schoolchildren Into a Randomized Double-blind Vitamin D Supplementation Trial." Clin Trials 2014.

Sacheck, Jennifer M., et al. "Recruitment and Retention of Urban Schoolchildren Into a Randomized Double-blind Vitamin D Supplementation Trial." Clin Trials 2014.