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Ogilvie D, Griffin S, Jones A, Mackett R, Guell C, Panter J, Jones N, Cohn S, Yang L, Chapman C.Ogilvie D, et al. Among authors: cohn s.BMC Public Health. 2010 Nov 16;10:703. doi: 10.1186/1471-2458-10-703.BMC Public Health. 2010.PMID: 21080928Free PMC article.
Lakshman R, Landsbaugh JR, Schiff A, Cohn S, Griffin S, Ong KK.Lakshman R, et al. Among authors: cohn s.Child Care Health Dev. 2012 Sep;38(5):675-82. doi: 10.1111/j.1365-2214.2011.01283.x. Epub 2011 Jul 13.Child Care Health Dev. 2012.PMID: 21752063
Walter FM, Humphrys E, Tso S, Johnson M, Cohn S.Walter FM, et al. Among authors: cohn s.BMC Fam Pract. 2010 Aug 31;11:62. doi: 10.1186/1471-2296-11-62.BMC Fam Pract. 2010.PMID: 20807441Free PMC article.