TY - RPRT TI - Promoter evolution in BK virus: functional elements are created at sequence junctions. AU - R B Markowitz AU - S Tolbert AU - W S Dynan PY - 1990 DO - 10.1128/jvi.64.5.2411-2415.1990 UR - https://pubmed.ncbi.nlm.nih.gov/2157897/ ID - 2157897 ER -