Aboubakr, Mohamed, and Mohamed Elbadawy. 2017. “Pharmacokinetics, Tissue Residues and Efficacy of D-Tylo50/25® (tylosin-Doxycycline Combination) in Broiler Chickens”. International Journal of Basic & Clinical Pharmacology 6 (2):383-88. https://doi.org/10.18203/2319-2003.ijbcp20170334.