TY - RPRT TI - Black-white differences in cancer prevention knowledge and behavior. AU - C Jepson AU - L G Kessler AU - B Portnoy AU - T Gibbs PY - 1991 DO - 10.2105/ajph.81.4.501 UR - https://pubmed.ncbi.nlm.nih.gov/2003635/ ID - 2003635 ER -