Friis, L., Edling, C., & Hagmar, L. (1993). Mortality and incidence of cancer among sewage workers: A retrospective cohort study.
Citação norma ChicagoFriis, L., C. Edling, and L. Hagmar. Mortality and Incidence of Cancer Among Sewage Workers: A Retrospective Cohort Study. 1993.
Deismireacht MLAFriis, L., C. Edling, and L. Hagmar. Mortality and Incidence of Cancer Among Sewage Workers: A Retrospective Cohort Study. 1993.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.