Recruiting patients cost-effectively by mail.

Aung T., Cowan H., Haynes R., Bowman L., Armitage J.

DOI

10.1186/1745-6215-12-S1-A117

Type

Journal article

Publication Date

2011-12-13T00:00:00+00:00

Volume

12 Suppl 1

Addresses

Clinical Trial Service Unit, University of Oxford, Oxford, OX3 7LF, UK.

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