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3by McCollum, Christopher Greer, Creger, Thomas N, Rana, Aadia I, Matthews, Lynn T, Baral, Stefan D, Burkholder, Greer A, Curry, William A, Elopre, Latesha, Fletcher, Faith E, Grooms, Sydney, Levitan, Emily B, Michael, Max, Van Der Pol, Barbara, Mugavero, Michael JGet full text
Published in American journal of public health (1971)
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