TY - JOUR T1 - Cardiac Indicators, Serum Antioxidant Activity, and Growth Performance as Affected by Hawthorn Extract (Crateagus oxyacantha) in Pulmonary Hypertensive Chickens JO - Brazilian Journal of Poultry Science A1 - Ahmadipour, B A1 - Kalantar, M A1 - Kalantar, MH SN - 1516-635X UL - 10.1590/1806-9061-2018-0860 VL - 21 Y1 - 2019 PB - Brasil ER -