2009 article
Water-flow variation and pharmacoepidemiology of tetracycline hydrochloride administration via drinking water in swine finishing farms
Dorr, P. M., Nemechek, M. S., Scheidt, A. B., Baynes, R. E., Gebreyes, W. A., & Almond, G. W. (2009, August 1). JAVMA-JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION, Vol. 235, pp. 299–304.