Authors:
Cosgrove, N
Borhani, NO
Bailey, G
Borhani, P
Levin, J
Hoffmeier, M
Krieger, S
Lovato, LC
Petrovitch, H
Vogt, T
Wilson, AC
Breeson, V
Probstfield, JL
Citation: N. Cosgrove et al., Mass mailing and staff experience in a total recruitment program for a clinical trial: The SHEP experience, CONTR CL TR, 20(2), 1999, pp. 133-148