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Factors that predispose middle-aged sons and daughters to provide social support toolder parents .2 Silverstein M,Parrott T M,Bengtson V L. Journal of Marriage&the Family . 1995
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Factors that predispose middle-aged sons and daughters to provide social support toolder parents .2 Silverstein M,Parrott T M,Bengtson V L. Journal of Marriage&the Family . 1995