Objective This paper is to study the mechanism of HI 6,PAM Cl,PAM I and obidoxime against the inhibition of DDVP on isolated rat phrenic diaphragm.

• 目的研究HI－6、PAM－Cl、PAM－I和双复磷等肟类药物对抗敌敌畏抑制离体大鼠膈肌的作用机制。