Flashner et al., 2004: Flashner Y, Mamroud E, Tidhar A, Ber R, Aftalion M, Gur D, Lazar S, Zvi A, Bino T, Ariel N, Velan B, Shafferman A, Cohen S. Generation of Yersinia pestis attenuated strains by signature-tagged mutagenesis in search of novel vaccine candidates. Infection and immunity. 2004; 72(2); 908-915. [PubMed: 14742535].