EFFICACY OF TRISIN® (A NEW COMBINATION OF SULFADIAZINE, TRIMETHOBRIM AND ERYTHROMYCIN) IN COMPARISON WITH BAYTRIL® AND TYLAN SOLUBLE® AGAINST MYCOLASMA GALLISEPTICUM INFECTION IN BROILER CHICKENS. Journal title: WORLD JOURNAL PHARMACY AND PHARMACEUTICAL SCIENCE Authors: Dr. Mohamed Elbadawy Subject(s):