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

Trials

Publication Date

13/12/2011

Volume

12 Suppl 1

Addresses

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

Permalink Original publication