Wildfires that burn homes and vehicles could expose people to dangerous airborne compounds through ash and smoke. Research has shown that people returning to their unburned homes may also experience ...
UNBURNED American cigarette tobacco is an excellent source of tumour-promoting agents 1. The aqueous extract from as little as one-half cigarette per day is sufficient to produce skin tumours in mice ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果