The efficacy and safety of Sipjeondaebo-tang in Korean patients with cold hypersensitivity in the hands and feet: a protocol for a pilot, randomized, double-blind, placebo-controlled, parallel-group clinical trial.

十全大补汤治疗韩国手脚冷过敏症患者的疗效和安全性：一项试点、随机、双盲、安慰剂对照、平行组临床试验方案