Parveen, A., Rahman, M.M., Fakhruzzaman, M., Akter, M.R. and Islam, M.S. 2017. Characterization of bacterial pathogens from egg shell, egg yolk, feed and air samples of poultry houses. Asian Journal of Medical and Biological Research. 3, 2 (Aug. 2017), 168–174. DOI:https://doi.org/10.3329/ajmbr.v3i2.33564.