Validasi metode analisis Siklofosfamid dan 4-Hidroksisiklofosfamid dalam plasma in vitro secara kromatografi cair kinerja ultra tinggi-tandem spektrometri massa = Validation of analytical method of cyclophosphamide and 4-hydroxycyclophosphamide in plasma in vitro by ultra performance liquid chromatography tandem mass spectrometry - Nazulanita Rahma, author ([, Fakultas Farmasi Universitas Indonesia], 2014)