HARAHAP, Y., N. GUSTIYANTI, A. E. SUNANTO, HARMITA, and D. PURWANTO. “METHOD DEVELOPMENT ON ANALYSIS CYCLOPHOSPHAMIDE AND 4-HYDROXYCYCLOPHOPHAMIDE IN DRIED BLOOD SPOT AND ITS APPLICATION IN BREAST CANCER PATIENTS”. International Journal of Applied Pharmaceutics, Vol. 12, no. 4, July 2020, pp. 119-25, doi:10.22159/ijap.2020v12i4.36092.