We reviewed the antibiotic susceptibility patterns of all isolates of Salmonella typhi in Ontario, Canada from January 2002 to December 2007. We identified a total of 381 unique cases ove...
来源:《The American journal of tropical medicine and hygiene》 2009 年 80卷 6期
The main objective of this study is to evaluate the land-use change and its relationship with its driving factors in the loess hilly region. In this study, a case study was carried out in...
来源:《Environmental monitoring and assessment》 2010 年 164卷 1-4期