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Green AL, Chintagumpala M, Krailo M, Langholz B, Albert D, Eagle R, Cockburn M, Chevez-Barrios P, Rodriguez-Galindo C.Green AL, et al. Among authors: langholz b.Ophthalmology. 2016 Aug;123(8):1817-1823. doi: 10.1016/j.ophtha.2016.04.043. Epub 2016 Jun 1.Ophthalmology. 2016.PMID: 27262763Free PMC article.
Salam MT, Li YF, Langholz B, Gilliland FD; Children's Health Study.Salam MT, et al. Among authors: langholz b.Environ Health Perspect. 2004 May;112(6):760-5. doi: 10.1289/ehp.6662.Environ Health Perspect. 2004.PMID: 15121522Free PMC article.