TY - BOOK AU - ... AU - Michael J. Guralnick TI - The effectiveness of early intervention SN - 155766255 U1 - 362.19892 EFF 22 PY - 1997/// CY - Baltimore PB - Paul Brookes Publishing KW - Developmental disabilities-treatment KW - Developmentally disabled children KW - Handicapped children-Rehabilitation N1 - Includes bibliographical references and index ER -