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Feng XL, Xu L, Guo Y, Ronsmans C.Feng XL, et al.Bull World Health Organ. 2011 Jun 1;89(6):432-41. doi: 10.2471/BLT.10.085274. Epub 2011 Apr 5.Bull World Health Organ. 2011.PMID: 21673859Free PMC article.
Feng XL, Xu L, Guo Y, Ronsmans C.Feng XL, et al.Bull World Health Organ. 2012 Jan 1;90(1):30-9, 39A. doi: 10.2471/BLT.11.090399. Epub 2011 Oct 6.Bull World Health Organ. 2012.PMID: 22271962Free PMC article.
Li J, Feng XL.Li J, et al. Among authors: feng xl.Trop Med Int Health. 2017 May;22(5):638-654. doi: 10.1111/tmi.12865. Epub 2017 Apr 11.Trop Med Int Health. 2017.PMID: 28278358Free article.
Huang K, Song YT, He YH, Feng XL.Huang K, et al. Among authors: feng xl.Glob Health Res Policy. 2016 Sep 21;1:13. doi: 10.1186/s41256-016-0013-8. eCollection 2016.Glob Health Res Policy. 2016.PMID: 29202062Free PMC article.Review.