au.\*:("TAPY, Jan")
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Quality assurance in a large clinical trials consortium : The experience of the Tuberculosis Trials ConsortiumSANDMAN, Laurie; MOSHER, Ann; KHAN, Awal et al.Contemporary clinical trials. 2006, Vol 27, Num 6, pp 554-560, issn 1551-7144, 7 p.Article
Factors associated with loss to follow-up in a large tuberculosis treatment trial (TBTC study 22)SEPULVEDA CONWELL, Donna; MOSHER, Ann; KHAN, Awal et al.Contemporary clinical trials. 2007, Vol 28, Num 3, pp 288-294, issn 1551-7144, 7 p.Article