dyspnea lower respiratory tract下呼吸道呼吸困难
the lower respiratory tract下呼吸道
lower respiratory tract specimens下呼吸道标本
lower respiratory tract infection下呼吸道感染;呼吸道感染;细菌感染;下呼吸道
lower respiratory tract infecftion急性下呼吸道感染
lower respiratory tract illness下呼吸道疾病
lower respiratory tract inflammation下呼吸道炎症
Lower respiratory tract diseases下呼吸道疾病
Lower respiratory tract pathogens下呼吸道病原菌
lower respiratory tract infections下呼吸道感染;性下呼吸道感染
Conclusion:Penicillin is a first selective drugs for lower respiratory tract infection.
结论：青霉素是治疗下呼吸道感染的首选药物。
参考来源 - 三种抗菌药物治疗呼吸道感染成本