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Measuring Cardiac Autonomic Nervous System (ANS) Activity in Toddlers - Resting and Developmental Challenges
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Changes in children's time with parents: United States, 1981-1997

J F Sandberg1, S L Hofferth

  • 1Population Studies Center, Institute for Social Research, University of Michigan, 425 Thompson Street, Ann Arbor, MI 48104, USA. jsandber@umich.edu

Demography
|August 29, 2001
PubMed

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