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Participant characteristics associated with withdrawal from a large randomized trial of spermicide effectiveness
Elizabeth G Raymond, Lien Pai Chen, Bosny Pierre-Louis, Joanne Luoto, Kurt T Barnhart, Lynn Bradley, Mitchell D Creinin, Alfred Poindexter, Livia Wan, Mark Martens, Robert Schenken, Cate F Nicholas, RVolume:
4
Langue:
english
DOI:
10.1186/1471-2288-4-23
Date:
December, 2004
Fichier:
PDF, 247 KB
english, 2004