1. Enhancement by drugs of metastatic lung nodule formation after intravenous tumour cell injection;van Putten;Int. J. Cancer,1975
2. Studies on the enhancement by cyclophosphamide (NSC-26271) of artificial lung metastasis after labeled cell inoculation;de Ruiter;Cancer Treat. Rep.,1976
3. Comparative studies of ifosfamide and cyclophosphamide on host resistance against tumour growth;de Ruiter,1978
4. The effect of cyclophosphamide and other drugs on the incidence of pulmonary metastases in mice;Carmel;Cancer Res.,1977
5. Enhancement of artificial lung metastases by cyclophosphamide: pharmacological and mechanistic considerations;Peters,1977