Malignant cells in the peripheral blood and their significance in metastasis formation.
D000818:Animals; D002286:Carcinoma, Ehrlich Tumor; D007275:Injections, Intravenous; D008175:Lung Neoplasms / Q000209:etiology; D008207:Lymphatic Metastasis / Q000209:etiology; D051379:Mice; D009362:Neoplasm Metastasis / Q000209:etiology*; D009374:Neoplasms, Experimental / Q000209:etiology*; D009360:Neoplastic Cells, Circulating; D051381:Rats; D012517:Sarcoma, Yoshida; D013997:Time Factors