呼吸道感染症(呼吸道症候群)是临床常见的一种疾病,一般多采用祛痰剂、镇咳剂、支气管扩张剂等对症治疗。长春市制药厂新研制出一种产品——半胱氨酸甲脂盐酸盐,我们对其治疗效果进行了临床观察,现将观察结果报告如下: 对象及试验方法一、对象:凡是患有慢性支气管炎、肺气肿、肺 Respiratory tract infections (respiratory syndrome) is a common clinical disease, the general use of expectorants, antitussives, bronchodilators and other symptomatic treatment. Changchun Pharmaceutical Factory has developed a new product - cysteine ​​methyl ester hydrochloride, we have the clinical observation of its therapeutic effect, the observations are reported as follows: Subjects and test methods First, the object: Those who suffer from Chronic bronchitis, emphysema, lungs