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We sought to investigate the relationship between regular daily smoking in adolescence and in adulthood, the onset age of suicidal behavior, and the repetitiveness of suicide attempts by the age of 31 years.Data from the Northern Finland 1966 Birth Cohort (NFBC 1966, n = 7995) were linked with the National Finnish Hospital Discharge registers (FHDR). Smoking habits of the cohort members were assessed...
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