Keywords Chronopharmaceutical Drug Delivery System;Theophylline;Verapamil Hydrochloride;Aminophylline;Ligustrazine Phosphate;Biphasic Release;Osmotic Pump;Pharmacokinetics;

• 关键词时辰给药系统;茶碱;盐酸维拉帕米;双相释药;渗透泵;药动学;氨茶碱;磷酸川芎嗪;