Comparing participants and nonparticipants recruited for an effectivenes study of nicotine replacement therapy
Wayne F. Velicer, Stefan Keller, Robert H. Friedman, Joseph L. Fava, Suzy B. Gulliver, Rose Marie Ward, Harley Ramelson, James O. Prochaska, Sara D. CottrillVolume:
29
Language:
english
Pages:
11
DOI:
10.1207/s15324796abm2903_4
Date:
June, 2005
File:
PDF, 167 KB
english, 2005