@article{009580565, title = "The gene encoding the heat-stable enterotoxin of Vibrio cholerae is flanked by 123-base pair direct repeats", author = "Ogawa, A. and Takeda, T.", year = "1993", journal = "Microbiology and Immunology", volume = "37", number = "8", pages = "607-616", issn = "0385-5600", doi = "10.1111/j.1348-0421.1993.tb01683.x", url = "https://eurekamag.com/research/009/580/009580565.php" }