Imam, A M Modification of human beta-globin locus PAC clones by homologous recombination in Escherichia coli. [electronic resource] - Nucleic acids research Jun 2000 - E65 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1362-4962 Standard No.: 10.1093/nar/28.12.e65 doi Subjects--Topical Terms: Bacteriophage P1--geneticsCloning, Molecular--methodsEscherichia coliEscherichia coli ProteinsGenes, BacterialGenetic MarkersGenetic VectorsGlobins--geneticsHumansPlasmidsRec A Recombinases--geneticsRecombinant Proteins--geneticsRecombination, GeneticRibosomal Protein S9