Philippa Howden-Chapman, Nevil Pierse, Sarah Nicholls, Julie Gillespie-Bennett, Helen Viggers, Malcolm Cunningham et al
Howden-Chapman P, Pierse N, Nicholls S, Gillespie-Bennett J, Viggers H, Cunningham M et al.
Effects of improved home heating on asthma in community dwelling children: randomised controlled trial
BMJ 2008; 337 :a1411
doi:10.1136/bmj.a1411