Chronic disease in former college students; 13. Early precursors of peptic ulcer.
Autor: | Paffenbarger, R S, Wing, A L, Hyde, R T |
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Zdroj: | American Journal of Epidemiology; October 1974, Vol. 100 Issue: 4 p307-315, 9p |
Databáze: | Supplemental Index |
Externí odkaz: |