TY - BOOK AU - Sigelman,Carol K. AU - Rider,Elizabeth A. TI - Life-Span human development SN - 9780495553403 AV - BF 713 S574l PY - 2009/// CY - Belmont: PB - Wadsworth Cengage Learning, KW - Developmental psychology KW - Human Development KW - Health services KW - United States KW - Insurance, health ER -