Webster, D R The prognostic significance of circulating tumour cells: a five-year follow-up study of patients with cancer of the breast. [electronic resource] - Canadian Medical Association journal Jan 1967 - 129-31 p. digital Publication Type: Journal Article ISSN: 0008-4409 Subjects--Topical Terms: Breast Neoplasms--mortalityFemaleFollow-Up StudiesHumansNeoplasm MetastasisNeoplastic Cells, CirculatingPrognosis