Findings at a re-examination of a Self-administered Questionnaire after Two and a half Years in a Sample of Sixty-year-old Men
Autor: | Skarfors, Einar, Waern, Urban, Lidell, Christer |
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Zdroj: | Scandinavian Journal of Social Medicine, 1980 Jan 01. 8(3), 137-139. |
Databáze: | JSTOR Journals |
Externí odkaz: |