1. Asverin is provided with an expectorating action which has been never found in any conventional antitussitive agents so far available in the market. 安嗽灵的祛痰作用是迄今市场上可买到的常用镇咳药中前所未有的。
2. The improvements on physical signs of lung, symptoms as cough, dyspnea and sputum expectorating in the treated group were significantly better than those in the control group (P<0.05). 治疗组患儿肺部体征、咳嗽、喘促和痰症状的改善情况明显优于对照组(P<0.05)。