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Gollenberg, A.L., Lynch, C.D., Jackson, L.W., McGuinness, B.M., & Msall, M.E. (2010) Concurrent validity of the parent-completed Ages and Stages Questionnaires, 2nd Ed. with the Bayley Scales of Infant Development II in a low-risk sample. Child: Care, Health and Development, 36(4), 485-490.