All my possessions for a moment of time

[摘要] We must use time as a tool, not as a crutch. > > John F. KennedyMost issues of Canadian Family Physician feature a theme, with a number of related articles appearing in both the clinical and research sections of the journal. That the editorial staff are able to organize each

[学科分类] 卫生学

[关键词] friction factors;wind measurements;tsunami