1. Ocular symptoms and exposure to mineral fibres in boards for sound-insulation of ceilings;Alsbirk;Ugeskr. Laeger,1983
2. The psychological effects of indoor air pollution;Colligan;Bull. N.Y. Acad. Med.,1981
3. The sick building syndrome: Prevalence studies;Finnegan;Br. Med. J.,1984
4. Aerobiology of schools and public institutions — part of a study;Gravesen;Ecology of Disease,1985
5. Demonstration of microorganisms and dust in schools and offices;Gravesen;Allergy,1986