1. Cancer cells in blood stream;Pool;Am. J. Cancer,1934
2. Cancer cells in the circulating blood;Engell;Acta Chir. Scand.,1955
3. Cancer cells in the circulating blood: critical review II;Goldblatt;Acta Cytol.,1965
4. The frequency of tumor cells in the bone marrow and blood;Sandberg;Cancer,1958
5. Quantitation of cell shedding into efferent blood of mammary adenocareinoma;Butler;Cancer Res.,1975