van den Bosch N, de Vos D
J Chromatogr. 1980 Jul 11;183(1):49-56. doi: 10.1016/s0378-4347(00)81397-3.
The gas--liquid chromatography of cyclophosphamide has been extensively investigated. Several methods for the assay of cyclophosphamide in plasma are reported, those with the nitrogen--phosphorus-specific detection being most sensitive and selective.