Pulgarón, Y.B. et al. 2015. Detection, quantification and genetic variability of Mycoplasma hyopneumoniae from apparently healthy and pneumonic swine. Brazilian Journal of Veterinary Research and Animal Science. 52, 4 (Dec. 2015), 310–318. DOI:https://doi.org/10.11606/issn.1678-4456.v52i4p310-318.