Infant diet, gender and the normative development of vagal tone and heart period during the first two years of life.
Pivik RT, Andres A, Tennal KB, Gu Y, Armbya N, Cleves MA, Badger TM. Infant diet, gender and the normative development of vagal tone and heart period during the first two years of life. Int J Psychophysiol. 2013 Dec; 90(3):311-20.