M. Nurian, Y. Mashdberd, F. Yaghmaei, A. Akbarzadeh Baghbani, and H. Heydarzadeh, “Effects of kangaroo and routine care on physiologic parameters of low-birth-weight infants”, Adv Nurs Midwifery, vol. 18, no. 65, pp. 19–24, Dec. 2009.