Various forms may be employed for the study design of this phase in accordance with the specific study purpose, including randomizedcontrolledclinicaltrial.
此阶段的研究设计可以根据具体的研究目的，采用多种形式，包括随机盲法对照临床试验。
2
Abstract :A randomizedcontrolledclinicaltrial was conducted for hypotension, 57 cases treated with Sheng Ya Capsule for 3 weeks and 30 cases with Bu Zhong Yi Qi Pill as control.
摘要：应用随机法观察中成药升压胶囊治疗低血压症57例的疗效，并与30例补中益气丸组对照，疗程3周。
3
METHODS: a randomizedcontrolledclinicaltrial was conducted for the treatment of hospitalized patients with low-respiratory tract infection, urinary tract infection and after-hurt infection.