Ben AyoubW., Ben KhadhraH., KhiariH., Ben AbdallahM., BoussenH., and HsairiM. “Multiple Primary Cancers in North Tunisia, 2000 - 2009”. Asian Pacific Journal of Cancer Care, Vol. 3, no. 3, Sept. 2018, p. 59, doi:10.31557/apjcc.2018.3.3.59.