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15by Li, Qing, Kirby, Russell S, Sigler, Robert T, Hwang, Sean-Shong, LaGory, Mark E, Goldenberg, Robert LGet full text
Published in American journal of public health (1971)
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17by Hsiao, Pao Ying, Mitchell, D. C, Coffman, D. L, Allman, R. M, Locher, J. L, Sawyer, P, Jensen, Gordon L, Hartman, T. JGet full text
Published in The Journal of nutrition, health & aging
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