The Directory of Open Access Journals
DOAJ Logotype
Open
Global
Trusted
Main actions
Support
Institutions and libraries
Publishers
Institutional and library supporters
Apply
Application form
Guide to applying
The DOAJ Seal
Transparency & best practice
Publisher information
Licensing & copyright
Search
Menu
Secondary actions
Search
Journals
Articles
Documentation
API
OAI-PMH
Widgets
Public data dump
OpenURL
XML
Metadata help
Preservation
About
About DOAJ
DOAJ at 20
DOAJ team
Ambassadors
Advisory Board & Council
Volunteers
News
Support
Institutions and libraries
Publishers
Institutional and library supporters
Apply
Application form
Guide to applying
The DOAJ Seal
Transparency & best practice
Publisher information
Licensing & copyright
Login
Login
Quick search
Close
×
Journals
Articles
Search by keywords:
In the field:
In all fields
Title
ISSN
Subject
Publisher
Country of publisher
Search
BMJ Open
(Aug 2021)
Validation of ethnicity in administrative hospital data in women giving birth in England: cohort study
Ipek Gurol Urganci,
Kate Walker,
Jennifer Elizabeth Jardine,
Alissa Frémeaux,
Megan Coe
Affiliations
Ipek Gurol Urganci
Department of Health Services Research and Policy, London School of Hygiene and Tropical Medicine Faculty of Public Health and Policy, London, UK
Kate Walker
2 Department of Health Services Research and Policy, London School of Hygiene and Tropical Medicine, London, Greater London, UK
Jennifer Elizabeth Jardine
Health Services Research and Policy, London School of Hygiene and Tropical Medicine, Faculty of Public Health and Policy, London, UK
Alissa Frémeaux
Clinical Quality, Royal College of Obstetricians and Gynaecologists, London, UK
Megan Coe
Clinical Quality, Royal College of Obstetricians and Gynaecologists, London, UK
DOI
https://doi.org/10.1136/bmjopen-2021-051977
Journal volume & issue
Vol. 11, no. 8
Abstract
Read online
No abstracts available.
WeChat QR code
Close