Role of external evidence in monitoring clinical trials: experience from a perinatal trial.
Brocklehurst, P;
Elbourne, D;
Alfirevic, Z;
(2000)
Role of external evidence in monitoring clinical trials: experience from a perinatal trial.
BMJ (Clinical research ed.), 320 (7240).
pp. 995-8.
ISSN 0959-8138
https://researchonline.lshtm.ac.uk/id/eprint/19920
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