EMJH medium with 5-fluorouracil and nalidixic acid associated with serial dilution technique used to recover Leptospira spp from experimentally contaminated bovine semen - Miraglia, Fabiana; Moraes, Zenaide Maria de; Melville, Priscilla Anne; Dias, Ricardo Augusto; Vasconcellos, Silvio Arruda (Brazilian Journal of Microbiology, 2009)