Ritz, T., Bosquet Enlow, M., Schulz, S. M., Kitts, R., Staudenmayer, J., & Wright, R. J. (2012). Respiratory Sinus Arrhythmia as an Index of Vagal Activity during Stress in Infants: Respiratory Influences and Their Control. Public Library of Science.

Ritz, Thomas, Michelle Bosquet Enlow, Stefan M. Schulz, Robert Kitts, John Staudenmayer, et Rosalind J. Wright. Respiratory Sinus Arrhythmia As an Index of Vagal Activity During Stress in Infants: Respiratory Influences and Their Control. Public Library of Science, 2012.

Ritz, Thomas, et al. Respiratory Sinus Arrhythmia As an Index of Vagal Activity During Stress in Infants: Respiratory Influences and Their Control. Public Library of Science, 2012.