@article{RitzEnlowSchulzetal.2012,
  author    = {Thomas Ritz and Michelle Bosquet Enlow and Stefan M. Schulz and Robert Kitts and John Staudenmayer and Rosalind J. Wright},
  title     = {Respiratory Sinus Arrhythmia as an Index of Vagal Activity during Stress in Infants: Respiratory Influences and Their Control},
  journal   = {PLoS One},
  volume    = {7},
  number    = {12},
  doi       = {10.1371/journal.pone.0052729},
  year      = {2012},
}