Triazine herbicide exposure and breast cancer incidence: an ecologic study of Kentucky counties. Kettles, M. K. ; Browning, S. R. ; Prince, T. S. ; Horstman, S. W. Abstract Publication: Environmental Health Perspectives Pub Date: November 1997 DOI: 10.1289/ehp.971051222 Bibcode: 1997EnvHP.105.1222K