MarshallHE, StamlerJS.NO waiting to exhale in asthma. Am J Resp Crit Care Med2000; 161: 685–7
3.
HargreaveFE, LeighR.Induced sputum, eosinophilic bronchitis and chronic obstructive pulmonary disease. Am J Resp Crit Care Med1999; 160: S53–7
4.
DieppeP, BachmannM.Clinical research: is the filling missing from the medical research sandwich?J R C P Land2000; 34: 282–4
5.
Turner WarwickM.On observing patterns of airflow in asthma. Br J Dis Chest1977; 71: 73–86
6.
Guidelines for the management of asthma in adults. 1. Chronic persistent asthma. Statement by the British Thoracic Society, Research Unit of the Royal College of Physicians of London, King's Fund Centre, National Asthma Campaign. BMJ1990; 301: 651–3
MilesJF, GardenG, AyresJG.Psychological factors in brittle asthma: a case control study. Clin Exp All1997; 27: 1151–9
11.
BakerC, DuncansonR, TunnicliffeWS, AyresJG.Development of a standardized methodology for Double-blind placebo-controlled food challenge in patients with brittle asthma and perceived food intolerance. J Am Diet Assoc2000; 100: 1361–7
12.
TunnicliffeWS, FletcherTJ, HammondKSensitivity and exposure to indoor allergens in adults with differing asthma severity. Eur Resp J1999; 13: 654–9
13.
WoodRP, MilgromH.Vocal cord dysfunction. J All Clin Immunol1996; 89: 481–5
14.
Stiblar-MartincicD.Histology of laryngeal mucosa. Acta Otolaryngol Suppl1997; 527: 138–41
15.
WenzelSE, SchwartzLB, LangmackELEvidence that severe asthma can be divided into two inflammatory sub-types with distinct physiologic and clinical characteristics. Am J Resp Crit Care Med1999; 160: 1001–5
16.
LosH, KoppelmanGH, PostmaDS.The importance of genetic influences in asthma. Eur Respir J1999; 14: 1210–27