P41 Developing a healthy lifestyle index for asthma and allergy prevention in childhood
E Morales, D Strachan, I Asher, P Ellwood, N Pearce, L Garcia-Marcos
J Epidemiol Community Health Sep 2019, 73 (Suppl 1) A90; DOI: 10.1136/jech-2019-SSMabstracts.192