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Exposure to combined oral contraceptives and risk of venous thromboembolism: a protocol for nested case–control studies using the QResearch and the CPRD databases

Vinogradova, Yana; Coupland, Carol; Hippisley-Cox, Julia

Authors

CAROL COUPLAND carol.coupland@nottingham.ac.uk
Professor of Medical Statistics

Julia Hippisley-Cox



Citation

Vinogradova, Y., Coupland, C., & Hippisley-Cox, J. (2014). Exposure to combined oral contraceptives and risk of venous thromboembolism: a protocol for nested case–control studies using the QResearch and the CPRD databases. BMJ Open, 4(4), Article e004499. https://doi.org/10.1136/bmjopen-2013-004499

Journal Article Type Article
Acceptance Date Mar 7, 2014
Online Publication Date Apr 8, 2014
Publication Date Apr 8, 2014
Deposit Date Aug 30, 2018
Publicly Available Date Jul 19, 2019
Journal BMJ Open
Electronic ISSN 2044-6055
Publisher BMJ Publishing Group
Peer Reviewed Peer Reviewed
Volume 4
Issue 4
Article Number e004499
DOI https://doi.org/10.1136/bmjopen-2013-004499
Public URL http://bmjopen.bmj.com/content/4/4/e004499.abstract
Publisher URL https://bmjopen.bmj.com/content/4/4/e004499

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