1. Studies on similarity diagnosis in twins with the aid of mailed questionnaires;Cederlöf;Acta Genetica et Statistica,1961
2. Empirische Ähnlichkeitsdiagnose bei Zwillingen;Essen-MÖLler;Hereditas,1941
3. Delayed type of allergy and atopic disease among twins;Forsbeck;Acta dermato-venereologica (Stockholm),1968
4. Skin reactivity in patients with cancer. Impaired delayed hypersensitivity or faulty inflammatory response?;Johnson;New England Journal of Medicine,1971