Objective To investigate the short-term association between outdoor air pollution and outpatient visits for acute bronchitis,which is a rare subject of research
Objective The present paper aims to investigate the effect of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) and N-nitrosodiethylamine (DEN) on tumorigenesis and its po
<正>In January 2013,China suffered large-scale haze weather four times,affecting 30 cities in all.The average number of haze weather days in many regions was hi