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

doi:10.1136/bmjopen-2013-004499

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

Dr YANA VINOGRADOVA YANA.VINOGRADOVA@NOTTINGHAM.AC.UK
PRINCIPAL RESEARCH FELLOW

Professor 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	https://nottingham-repository.worktribe.com/output/1096695
Publisher URL	https://bmjopen.bmj.com/content/4/4/e004499
Related Public URLs	http://bmjopen.bmj.com/content/4/4/e004499.abstract
Contract Date	Nov 28, 2018