1. Prevalence of Depression and Its Associated Factors Among Hemodialysis Patients in Hodeida City, Yemen
2. Open Source Epidemiologic Statistics for Public Health. Now in English, French, Spanish, Italian, and Portuguese. Version 3.01 Updated 2013/04/06 Try it in a Smartphone browser! Available from: http://www.openepi.com/Menu/OE_Menu.htm. Accessed March 06, 2024.
3. Allgemeine Psychologie und Arbeitspsychologie. Statistical power analyses for mac and windows. Available from: https://www.psychologie.hhu.de/arbeitsgruppen/allgemeine-psychologie-und-arbeitspsychologie/gpower.html. Accessed March 06, 2024.