TY - RPRT TI - A bifunctional Streptomyces-E. coli promoter-probe vector. AU - J A Asturias AU - P Liras AU - J F Martin PY - 1990 DO - 10.1016/0378-1097(90)90125-a UR - https://pubmed.ncbi.nlm.nih.gov/2185129/ ID - 2185129 ER -