1. A psychiatric survey of fifty cases of bronchial asthma;McDermott;Psychosom. Med.,1939
2. Understanding the psychologic factors in asthma;Paley;Geriatrics,1973
3. Untersuchungen zur Frage der Wirksamkeit psychischer Faktoren beim Asthma bronchiale (II);Hoffmann;Medsche. Welt,1961
4. Psychosocial factors in the onset and course of asthma;Teiramaa;Acta Univ. Oul. D 14 Psychiatr.,1976