The Northern Swedish Cohort (NoSCo) 1986
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In 1981 a longitudinal study began that includes all pupils who attended or should have attended the last year of compulsory school in the municipality of Luleå. The population...
1981年，一项纵向研究正式启动，该研究纳入了所有曾就读于吕勒奥市（Luleå）义务教育最后一学年，或本应就读该学年的学生。该研究的覆盖人群……
