Chiwaridzo, Matthew, Tafadzwa Nicole Chikasha, Nirmala Naidoo, Jermaine Matewu Dambi, Cathrine Tadyanemhandu, Nyaradzai Munambah, and Precious Trish Chizanga. “Content Validity and Test-Retest Reliability of a Low Back Pain Questionnaire in Zimbabwean Adolescents”. Archives of Physiotherapy 7, no. 1 (February 28, 2017). Accessed July 22, 2024. https://journals.aboutscience.eu/index.php/aop/article/view/2973.