International comparisons: they do help and are essential for avoiding type III error.
Lu
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Department of Public Health, Chung Shan Medical University, Taichung, Taiwan. robertlu@ms1.hinet.net
D000056:Accident Prevention; D002648:Child; D002669:Child Welfare; D014943:Global Health; D006801:Humans; D014947:Wounds and Injuries / Q000453:epidemiology* / Q000517:prevention & control