Arch Iran Med
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In recent decades there has been increasing focus on developing and localizing quality of life (QOL) instruments in different societies. In this study, we aim to translate WHO's Quality of Life WHOQOL-100 questionnaire into the Persian language and assess the validity and reliability of the translated version. ⋯ In general, the Persian version of the WHOQOL-100 had satisfactory reliability and validity for assessing QOL of Iranian people. However, we recommend further research for challenging the problem of the spiritual domain.