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Literature DB >> 2012857

Prospective or retrospective: what's in a name?

Abstract

Year: 1991 PMID： 2012857 PMCID： PMC1669579

Source DB: PubMed Journal: BMJ ISSN： 0959-8138

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2 in total

Authors: R DOLL; A B HILL
Journal: Br Med J Date: 1954-06-26

Authors: J P Vandenbroucke
Journal: BMJ Date: 1991-02-02

2 in total