DESIGN: Comparative observation study with RD children as subjects and normal children as control SETTING: Nuclear medicine and psychological health institute of a university.
Using situational attribution questionnaire and selecting the white-collar stratum and blue-collar stratum as subjects, this study discusses the attribution of people from different social strata.
Taking the sports of Shenquanzhuang as subjects, the author discusses on the major features and social function of village sports by field investigation.
With professional swimmers as subjects, it has probed into the relationship, variation rule and possible mechanism between swimming and blood ammonia and blood lactate.