A. Haseli 1, Z. Chenari 2, M. Nami 2, F. Jahdi 3, L. Neisani Samani 4, and H. Haghani 5, “The Effect of Breathing Techniques on Enhancing the Effect of Massage in Reducing the Pain in the Second Stage of Labour: A Parallel Randomized Clinical Trial”, SJMS, vol. 4, no. 2, Jun. 2019, doi: 10.22100/ijhs.v4i2.439.