The Sources of Value: S.C. Pepper s Naturalistic Value Theory;

Investigation the stability of blood pressure control in the treatment of hypertensive emergency with nicardipine;

Esmolol,nicardipine and sodium nitroprusside induced controlled hypotension in children;

Study of Effects of Sodium Nitroprusside, Sodium Nitroprusside-perdipine and Perdipine on controlled Hypotension during Endovascular Treatment in Patients with Intracranial Anevrysms;

Chinical observation the prevention effect to cardiovascular side-effect of combination using propranolol and perdipine in cervical plexus block;

ConclusionPerdipine with magnesium sulfate not only has affirmative curative effect in the treatment of early onset severe preeclampsia,but also has some effect on resistant hypertension.

It is critical that we extract elementary solutions of Pell equation when we want to get its integer ones.