Letter to editor: The basis for calculating costs in health technologies assessment studies Pejman Hamouzadeh Social Security Organization, Tehran, Iran Ali Sadrollahi School of Medicine, Iran University of Medical Sciences, Tehran, Iran Mani Yousefvand School of Virtual, Medical Education & Management, Shahid Beheshti University of Medical Sciences, Tehran DOI: https://doi.org/10.18502/htaa.v4i3.6344 Abstract The article's abstract is not available. PDF Published 2021-06-09 Issue Volume (4) issue (3) Section Articles