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Cattamanchi A, Smith R, Steingart KR, Metcalfe JZ, Date A, Coleman C, Marston BJ, Huang L, Hopewell PC, Pai M.Cattamanchi A, et al. Among authors: metcalfe jz.J Acquir Immune Defic Syndr. 2011 Mar 1;56(3):230-8. doi: 10.1097/QAI.0b013e31820b07ab.J Acquir Immune Defic Syndr. 2011.PMID: 21239993Free PMC article.Review.
Cattamanchi A, Walter ND, Metcalfe JZ, Davis JL.Cattamanchi A, et al. Among authors: metcalfe jz.PLoS Med. 2013 Oct;10(10):e1001539. doi: 10.1371/journal.pmed.1001539. Epub 2013 Oct 22.PLoS Med. 2013.PMID: 24167454Free PMC article.