Development of methods on detection of enteropathogenic escherichia coli by double PCR in meat and meat product 肉及肉制品中肠致病性大肠杆菌两重PCR检测方法的建立
Chinese urban residents today eat double the amount of meat they did20 years ago and both men and woman were smoking at an earlier age, the health ministry said. 据卫生部,中国的城市居民当今食用比过去20年双倍量的肉食,而且男性和女性青年期就开始吸烟。