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The Norwegian Institute of Public Health Twin Study of Mental Health: Examining Recruitment and Attrition Bias
All Norwegian twin pairs born 1967–1974 and still living in Norway in 1992 were invited to a health questionnaire study (Q1). 2,570 pairs (65%) participated. These cohorts and the twin cohorts born 1967–1979 were invited to a new questionnaire study (Q2) in 1998. This time 3,334 pairs (53%) particip...
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| Main Authors: | , , , , , , |
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| Formáid: | Artigo |
| Teanga: | Inglês |
| Foilsithe: |
2009
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| Ábhair: | |
| Rochtain Ar Líne: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2743739/ https://ncbi.nlm.nih.gov/pubmed/19335186 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1375/twin.12.2.158 |
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