APA

Picon A., Gold L. I., Wang J., Cohen A. & Friedman E. (19980831). A subset of metastatic human colon cancers expresses elevated levels of transforming growth factor beta1. : Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology.

Chicago

Picon A, Gold L I, Wang J, Cohen A and Friedman E. 19980831. A subset of metastatic human colon cancers expresses elevated levels of transforming growth factor beta1. : Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology.

Harvard

Picon A., Gold L. I., Wang J., Cohen A. and Friedman E. (19980831). A subset of metastatic human colon cancers expresses elevated levels of transforming growth factor beta1. : Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology.

MLA

Picon A, Gold L I, Wang J, Cohen A and Friedman E. A subset of metastatic human colon cancers expresses elevated levels of transforming growth factor beta1. : Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology. 19980831.