Shakiba, M., H. Parsi, Z. Pahlavani Shikhi, and A. Navidian. “The Effect of Psycho-Education Intervention Based on Relaxation Methods and Guided Imagery on Nausea and Vomiting of Pregnant Women”. Journal of Family and Reproductive Health, Vol. 13, no. 1, July 2019, pp. 47-55, doi:10.18502/jfrh.v13i1.1612.