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Number of phone lines for telephone randomizationLeslie A. Kalish; Henry A. Feldman · 1997
The Women's Interagency HIV StudySusan E. Barkan, Sandra L. Melnick, Susan Preston-Martin, Kathleen Weber, Leslie A. Kalish, Paolo Miotti, Mary Young, Ruth Greenblatt, Henry Sacks and Joseph Feldman · Epidemiology · 1998