Imtinan K. Alsahafi, Ibrahim A. Alshareef, Wajd Y. Assahafi, Abeer S. Ali. “Histiocytic Sarcoma: A Challenging Dilemma Between Diagnosis and Treatment: Review of Articles”. Drugs and Cell Therapies in Hematology, vol. 10, no. 3, Oct. 2021, pp. 387-94, http://dcth.org/index.php/journal/article/view/539.