Greta Barnes

The Living & Breathing Study: a study of patients' views of asthma and its treatment.

Jennifer Cleland, Martyn Partridge, J. Haughney, 2004, Primary care respiratory journal : journal of the General Practice Airways Group.

Ethnic variations in UK asthma frequency, morbidity, and health-service use: a systematic review and meta-analysis

Brian Hurwitz, Aziz Sheikh, Gopalakrishnan Netuveli, 2005, The Lancet.