TY - RPRT TI - Combinatorial interactions between positive and negative cis-acting elements control spatial patterns of 4CL-1 expression in transgenic tobacco. AU - K D Hauffe AU - S P Lee AU - R Subramaniam AU - C J Douglas PY - 1993 DO - 10.1046/j.1365-313x.1993.04020235.x UR - https://pubmed.ncbi.nlm.nih.gov/8220481/ ID - 8220481 ER -