Reyhani, T., Hoseinzadeh, T., Hydarzadeh, M., & Behnam Vashani, H. "The effect of training of behavior observation based care to the mother on intraventricular hemorrhages and ventilation period of preterm infant", Evidence Based Care, 5, 3, 2015, 91-101. doi: 10.22038/ebcj.2015.5242