属于半合成红霉素衍生物的药物有() ["阿奇霉素","克拉霉素","甲砜霉素","泰利霉素","柔红霉素"]
低位肛门闭锁手术年龄应为() ["生后即行手术","1个月","3个月","6个月","1岁以后"]
采集工作场所空气中金属及其化合物的气溶胶样品时,最好选用() ["慢速定性滤纸","慢速定量滤纸","超细玻璃纤维滤纸","测尘滤膜","微孔滤膜"]
哪种方法不用于HBsAg常规检测。() ["金标记免疫分析","化学发光免疫分析","电化学发光免疫分析","微粒子酶免法","ELISA"]
你一直将含SPF值的日霜代替防晒隔离霜使用吗?
“营业税金及附加”项目