Thwin, Soe Soe; Clough-Gorr, Kerri M; McCarty, Maribet C; Lash, Timothy L; Alford, Sharon H; Buist, Diana SM; Enger, Shelley M; Field, Terry S; Frost, Floyd; Wei, Feifei; Silliman, Rebecca A
(BioMed Central, 2007-6-18)
BACKGROUND: The choice between paper data collection methods and electronic data collection (EDC) methods has become a key question for clinical researchers. There remains a need to examine potential benefits, efficiencies, ...