PRACE DOKTORSKIE - SZWECJA 552,630 HARDELL LENNART Epidemiological studies on soft-tissue sarcoma and malignant lyphoma and their relation to phenoxy acid or chlorophenol exposure : [akademisk avhandling] / by Lennart Hardell from the Department of Oncology, University of UmeS Sweden, and the Department of Occupational Medicine, University of Linköping, Sweden. - Umea i University, 1981. - 139 s. ; 21 c, (UrneS University Medical Dissertations. New Series, ISSN 0346-6612 ; nr 65)