Molazem, Z., Shahabfard, Z., Askari, A., & Najafi Kalyani, M. (2018). Effects of a peer- led group education on fear, anxiety and depression levels of patients undergoing coronary angiography. Investigación Y Educación En Enfermería, 36(1). https://doi.org/10.17533/udea.iee.v36n1e13