close angle of poisonous snakes inside a glass case. pan right, see jar wrapped in cloth. - 毒理學 個影片檔及 b 捲影像00:20
close angle of poisonous red and black snake. pull out, see other snakes inside glass case. see hand pick up snake and hold snake with fangs flared up to covered jar for venom. - 毒理學 個影片檔及 b 捲影像00:35
london not prepared for terrorist attack, scientists say; itnengland: london: extdecontamination drill fire fighters opening contamination tent... - 毒理學 個影片檔及 b 捲影像02:41
black and white close up liquid in beaker labeled as 'toxins' / face of girl having temperature taken in beaker - 毒理學 個影片檔及 b 捲影像00:06
1990 montage scientist examining filter to determine air pollution contaminants, usa, audio - 毒理學 個影片檔及 b 捲影像00:20
1969 montage technician handling radioactive material in laboratory glovebox/ oak ridge, tennessee, usa/ aidio - 毒理學 個影片檔及 b 捲影像00:05