TY - RPRT TI - An improved bacteriophage lambda vector: construction of model recombinants coding for kanamycin resistance. AU - D J Donoghue AU - P A Sharp PY - 1977 DO - 10.1016/0378-1119(77)90046-4 UR - https://pubmed.ncbi.nlm.nih.gov/338417/ ID - 338417 ER -