Bürk, R R A factor from a transformed cell line that affects cell migration. [electronic resource] - Proceedings of the National Academy of Sciences of the United States of America Feb 1973 - 369-72 p. digital Publication Type: Journal Article ISSN: 0027-8424 Standard No.: 10.1073/pnas.70.2.369 doi Subjects--Topical Terms: AnimalsBloodCell Division--drug effectsCell Movement--drug effectsCell Survival--drug effectsCell Transformation, NeoplasticCells, CulturedChromatography, GelContact InhibitionCricetinaeCulture MediaMiceTissue Extracts--isolation & purification