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Peterson RE, McClay DR.Peterson RE, et al. Among authors: mcclay dr.Dev Biol. 2005 Jun 1;282(1):126-37. doi: 10.1016/j.ydbio.2005.02.033.Dev Biol. 2005.PMID: 15936334Free article.
Wu SY, Ferkowicz M, McClay DR.Wu SY, et al. Among authors: mcclay dr.Birth Defects Res C Embryo Today. 2007 Dec;81(4):241-52. doi: 10.1002/bdrc.20113.Birth Defects Res C Embryo Today. 2007.PMID: 18228256Review.