Observational studies for intervention assessment
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Published in | The Lancet (British edition) Vol. 357; no. 9274; p. 2142 |
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Main Author | |
Format | Journal Article |
Language | English |
Published |
London
Elsevier Ltd
30.06.2001
Elsevier Limited |
Subjects | |
Online Access | Get full text |
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ISSN: | 0140-6736 1474-547X |
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DOI: | 10.1016/S0140-6736(00)05220-X |