1. Guidelines on the management of asthma. Statement by the British Thoracic Society, the Brit. Paediatric Association, the Research Unit of the Royal College of Physicians of London, the King's Fund Centre, the National Asthma Campaign, the Royal College of General Practitioners, the General Practitioners in Asthma Group, the Brit. Assoc. of Accident and Emergency Medicine, and the Brit. Paediatric Respiratory Group.
2. National Heart, Lung and Blood Institute, Global strategy for asthma management and prevention, National Institute of Health, 1995
3. National Heart, Lung and Blood Institute, NHLBI/WHO. Guidelines for the diagnosis and management of asthma, National Institutes of Health, 1997
4. De Diego, A, Galdiz, J, B, Casan, P, et al., Normativa sobre diagnóstico y tratamiento del asma agudo y crónica. Recomendaciones SEPAR, Barcelona, Ediciones Doyma, S.A. 1998