http://www.jmir.org/2002/2/e10/index.htm
To address the issue of attrition, it examines a defined set of health-related Web sites at two separate time intervals.
Autor(es): Veronin, M.A. Creador(es): Journal of Medical Internet Research - JMIR
Recursos añadido en:
18/11/2003
Idiomas disponibles:
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