Pharr, G., Branton, S., Hanson, L., Minion, F., Hughlett, M., & X. Wan. (2002). Characterization of pMGA Genes from the F - Strain (Vaccine Strain) of Mycoplasma Gallisepticum. International Journal of Poultry Science, 1(4), 63–73. https://doi.org/10.3923/ijps.2002.63.73