Article info
Epidemiology
Cohort profile
Environment and chronic disease in rural areas of Heilongjiang, China (ECDRAHC)
- Correspondence to Dr Dianjun Sun; hrbmusdj{at}163.com; Dr Wei Zhang; zhangwei{at}hrbmu.edu.cn; Dr Yanhui Gao; gaoyh411{at}163.com
Citation
Environment and chronic disease in rural areas of Heilongjiang, China (ECDRAHC)
Publication history
- Received April 19, 2022
- Accepted January 6, 2023
- First published January 17, 2023.
Online issue publication
October 24, 2023
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© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ. http://creativecommons.org/licenses/by-nc/4.0/This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.