- Study protocol
- Open Access
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Centering and Racial Disparities (CRADLE study): rationale and design of a randomized controlled trial of centeringpregnancy and birth outcomes
- Liwei Chen†1Email author,
- Amy H. Crockett†2,
- Sarah Covington-Kolb2,
- Emily Heberlein3,
- Lu Zhang1 and
- Xiaoqian Sun4
© The Author(s). 2017
Received: 4 March 2017
Accepted: 25 March 2017
Published: 13 April 2017
Open Peer Review reports
Pre-publication versions of this article are available by contacting firstname.lastname@example.org.
|4 Mar 2017||Submitted||Original manuscript|
|22 Mar 2017||Author responded||Author comments - Liwei Chen|
|Resubmission - Version 2|
|22 Mar 2017||Submitted||Manuscript version 2|
|25 Mar 2017||Editorially accepted|
|13 Apr 2017||Article published||10.1186/s12884-017-1295-7|
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