Retention strategies and predictors of attrition in an urban pediatric asthma study

Por Zook, Patricia M, Jordan, Carolina, Adams, Bernadette, Visness, Cynthia M, Walter, Michelle, Pollenz, Kathryn, Logan, Jennette, Tesson, Elizabeth, Smartt, Ernestine, Chen, Amy, D’Agostino, John, Gern, James E
Publicado em 2010