Gast , R.K. and Guraya, R. 2013. Continuing Multiplication of Salmonella enteritidis Strains in Egg Yolk During Refrigeration at 7.2oC. International Journal of Poultry Science. 12, 11 (Oct. 2013), 622–627. DOI:https://doi.org/10.3923/ijps.2013.622.627.