Erratum to "Technical note: Accuracy checks of physical beam modifier factors algorithm used in computerized treatment planning system for a 15 MV photon beam" [Rep. Pract. Oncol. Radiother. 14… Wazir Muhammad, Muhammad Maqbool, Muhammad Shahid, M. Ayaz Ahmad, Matiullah MatiullahReports of practical oncology and radiotherapy…2010[This corrects the article DOI: 10.1016/j.rpor.2009.12.002.].