https://www.selleckchem.com/pr....oducts/tiplaxtinin-p
To know about the characteristics of injury behaviors of the four ethnic adolescents in rural of Wuling mountainous area. From September to October 2016, a multiple stages hierarchical cluster random sampling method was used to extract 2170 middle school students aged(15. 25±1. 7 years old from 4 rural middle schools(1011 boys, 1159 girls; 1187 junior high school students, 983 senior high school students; 537 students from the Tujia Nationality, 546 from the Miao Nationality, 523 from the Dong Nationality, and 564 from the
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