Qualitative differences in the actions of various sympathomimetic amines have been proved for many years. Fleckenstein and Burn proposed a classification of sympathomimetic amines into three different groups on a basi...Qualitative differences in the actions of various sympathomimetic amines have been proved for many years. Fleckenstein and Burn proposed a classification of sympathomimetic amines into three different groups on a basis of the modification of dose-response curves by denervation of the nictitating membrane.展开更多
文摘Qualitative differences in the actions of various sympathomimetic amines have been proved for many years. Fleckenstein and Burn proposed a classification of sympathomimetic amines into three different groups on a basis of the modification of dose-response curves by denervation of the nictitating membrane.