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2. Genetic susceptibility to scleroderma-like syndrome in symptomatic and asymptomatic workers exposed to vinyl chloride;Black;J Rheumatol,1986
3. Environmentally induced systemic sclerosis-like disorders;Haustein;Int J Dermatol,1985
4. Chromosomal aberrations in occupation-associated progressive systemic sclerosis;Bernstein;South Afr Med J,1980
5. Quarz: seine Relevanz für die Dermatologie;Ziegler;Derm Beruf Umwelt,1987