M. Mirzarahimi, N. Mehrnoush, S. Shahizadeh, N. Samadi, and F. Amani, “Effect of non-nutritive sucking and leg massage on physiological and behavioral indicators of pain following heel blood sampling in term neonates”, IJANS, vol. 2, no. 2, pp. 74–79, Jun. 2013, doi: 10.14419/ijans.v2i2.578.