TY - RPRT TI - The polyomavirus enhancer comprises multiple functional elements. AU - C R Mueller AU - W J Muller AU - J A Hassell PY - 1988 DO - 10.1128/jvi.62.5.1667-1678.1988 UR - https://pubmed.ncbi.nlm.nih.gov/2833617/ ID - 2833617 ER -