Kalavathy, R., Abdullah, N., Jalaludin, S., Wong, C., & Ho, Y. (2008). Effect of Lactobacillus Cultures and Oxytetracycline on the Growth Performance and Serum Lipids of Chickens. International Journal of Poultry Science, 7(4), 385–389. https://doi.org/10.3923/ijps.2008.385.389