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1471-2288-12-106
1471-2288-12-106
http://dx.doi.org/10.1186/1471-2288-12-106
Designing cost-efficient randomized trials by using flexible recruitment strategies
P356
Q34350214-879A7157-7EFE-4034-994D-802567ADC056
P356
1471-2288-12-106
http://dx.doi.org/10.1186/1471-2288-12-106