Cohen, Y. (1988) “Treatment of Diffuse Histiocytic and Diffuse Mixed Non-Hodgkin Lymphomas with Cyclophosphamide, Doxorubicin, Vincristine and Prednisone (Chop)”, Acta Oncologica, 27(5), pp. 531–535. doi: 10.3109/02841868809093583.