Beheshtipoor, Noushin, Ashraf Memarizadeh, Fatemeh Hashemi, Shahnaz Porarian, and Masoume Rambod. 2013. “ The Effect of Kangaroo Care on Pain and Physiological Parameters in Preterm Infants on Heel-Stick Procedure: A Randomized Controlled, Cross-over Study: ”. Galen Medical Journal 2 (4):e80. https://doi.org/10.31661/gmj.v2i4.80.