Mother-to-child speech at 2 years—effects of early postnatal contact

The Journal of Pediatrics - Tập 86 - Trang 141-144 - 1975
Norma M. Ringler1, John H. Kennell1, Robert Jarvella1, Billie J. Navojosky1, Marshall H. Klaus1
1Department of Pediatrics, School of Medicine, Case Western Reserve University, Cleveland, Ohio USA

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