随机抽查一所教学医院的160名实习护士，通过培训前后对照比较洗手知识、程序地掌握及实际效果。

Methods 160 apprentices nurses in a teaching hospital are stochastically spot-checked, and the differences of knowledge, procedures and effects of hands-washing before and after training are compared.

youdao

随机抽查一所教学医院的160名实习护士，通过培训前后对照比较洗手知识、程序地掌握及实际效果。

Methods 160 apprentices nurses in a teaching hospital are stochastically spot-checked, and the differences of knowledge, procedures and effects of hands-washing before and after training are compared.

youdao