5Klings ES, Farber HW. Current management of primary pulmonary hypertension[J]. Drugs, 2001,61(13):1945-1956.
6Nauser TD, Stites SW. Diagnosis and treatment of pulmonary hypertension[J]. Am Fam Physician, 2001,63(9):1789-1798.
7Wideman R F,Tackett C D.Cardio pulmonary function in broilers reared at warm or cool temperatures:Effect of acute inhalation of 100 % oxygen[J].Poult Sci,2000,79:257-264.
8Wideman R F,Kirby Y K.Cardio-pulmonary function during acute unilateral occlusion of the pulmonary artery in broilers fed diets containing normal or high levels of arginine-HCL[J].Poult Sci,1996,75:1 587 1 602.
9Julian R J.Lung volume of meat-type chickens[J].Avian Dis,1989,33:174-176.
10Enkvetchadul B.Pulmonary arteriole hypertrophy in broiler with pulmonary hypertension syndrome[J].Poult Sci,1995,74:1 676-1 682.
