1. Present status of the psychosomatic approach to bronchial asthma;Groen,1976
2. Psychosomatic Specificity;Alexander,1968
3. Asthma and mental illness: a longitudinal community study;Benjamin,1976
4. Childhood asthma: a psychosomatic disorder? Some epidemiological considerations;Graham;Br. J. Prev. Soc. Med.,1967
5. Spectrum of asthma in children—III. Psychological and social components;McNichol;Br. Med. J.,1973