Syrinx 2A: an improved lambda phage vector designed for screening DNA libraries by recombination in vivo.
Lutz CT, Hollifield WC, Seed B, Davie JM, Huang HV. Syrinx 2A: an improved lambda phage vector designed for screening DNA libraries by recombination in vivo. Proc Natl Acad Sci U S A. 1987 Jul; 84(13):4379-83.