论文部分内容阅读
为探讨维生素 A 与呼吸道感染的关系,近年来我们观察了上呼吸道感染、肺炎及慢性支气管炎急性感染期患者的血清维生素 A 的含量,并与健康人对
In order to investigate the relationship between vitamin A and respiratory tract infection, in recent years, we observed the serum vitamin A levels in patients with upper respiratory tract infection, pneumonia and acute infection of chronic bronchitis,