Recruitment and retention of participants in a pragmatic randomized intervention trial at three community health clinics: Results and lessons learned
2012 ◽
Vol 60
(5)
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pp. S135
2017 ◽
Vol 4
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pp. 233339281773452
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2014 ◽
Vol 53
(4)
◽
pp. 398-413
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Keyword(s):
2016 ◽
Vol 40
(3)
◽
pp. 302-309
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Keyword(s):