P103 Since when does correlation imply valid substitution?

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Bibliographic Details
Published in:	Controlled clinical trials Vol. 18; no. 3; p. S174
Main Authors:	Simpson, P.M., McCarver, D.G., Twehues, L.E., Hamer, R.
Format:	Journal Article
Language:	English
Published:	Elsevier Inc 01-06-1997
Online Access:	Get full text
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Description
ISSN:	0197-2456 1879-050X
DOI:	10.1016/S0197-2456(97)91198-3