cardiac baroreflex sensitivity ( brs ) and its sympathetic and vagal components were studied after atropine and propranolol administrations in conscious genetically hypertensive ( lh ) , normotensive ( ln ) and low blood pressure ( ll ) rats of the lyon strain at 5 , 9 , 13 and 70 weeks of age .
C0033497
propranolol
C0020649
low blood pressure