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pubmed:affiliation |
Department of Epidemiology and Biostatistics, University of Florida, PO Box 100231, Gainesville, FL 32610, USA. cookrl@phhp.ufl.edu
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pubmed:publicationType |
Journal Article,
Comparative Study,
Research Support, U.S. Gov't, P.H.S.,
Research Support, U.S. Gov't, Non-P.H.S.,
Research Support, Non-U.S. Gov't,
Multicenter Study,
Research Support, N.I.H., Extramural
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