Effect of quinidine and theophylline on the intestinal exsorption of drugs in rats .
奎尼丁及茶碱对老鼠小肠道药物释出的影响。
Any of several trees and shrubs of the genus cinchona , native chiefly to the andes and cultivated for bark that yields the medicinal alkaloids quinine and quinidine , which are used to treat malaria .