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Milestones : normal speech and language development across the life span / John W. Oller Jr., PhD Hawthorne Regents Professor IV, Department of Communicative Disorders, University of Louisiana at Lafayette ; Stephen D. Oller, PhD Associate Professor, Department of Biological and Health Sciences, Texas A&M University at Kingsville ; Stacey N. Oller, MS, CCC-SLP, Speech-Language Pathologist, Driscoll Children's Hospital, Flour Bluff Independent School District, Corpus Christi, Texas. |
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