Birch(Betula)trees and forests are widely distributed across much of the temperate and boreal zones of the Northern Hemi......

桦树液是植物白桦(Betula ptatyphylla Suk)的液汁。桦树液具有清热解毒、止咳、化痰等功能。临床用于治疗痰喘咳嗽、肾脏病、痛......