Hernan Alfonso, J.; Thyssen, J. P.; Tynes, T.; Sivesind Mehlum, I.; Johannessen, H. A. Self-Reported Occupational Exposure to Chemical and Physical Factors and Risk of Skin Problems: A 3-Year Follow-up Study of the General Working Population of Norway. Acta Derm Venereol 2015, 95, 959-962.