英语语法分析

Conclusion: Dobutamine, nitroglycerine and phentolamine are safe and effective for RHF.

结论多巴酚丁胺、硝酸甘油、酚妥拉明治疗RHF安全有效。

AIM :To compare the immediate effects between captopril and phentolamine iv injections on severe hypertension.

目的：比较静脉注射卡托普利与酚妥拉明对重症高血压病人的即时降压作用。

Objective to study the effect of scopolamine and phentolamine on the discrimination learning in infant rabbits.

目的探讨东莨菪碱和酚妥拉明对幼兔分辨学习的影响。