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Randomized Controlled Trial
. 2014 Mar;25(2):317.
doi: 10.1097/EDE.0000000000000065.

Recruiting by registered versus standard mail

Conor Gilligan  1 , Kypros Kypri
Affiliations
Randomized Controlled Trial

Recruiting by registered versus standard mail

Conor Gilligan et al. Epidemiology. 2014 Mar.
No abstract available

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