J Green1, N Britten. Show Affiliations » 1. Health Services Research Unit, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK. j.green@lshtm.ac.uk
Abstract
Mesh: See more » Asthma/therapyData CollectionData Interpretation, StatisticalEvidence-Based MedicineHumansResearch
Year: 1998 PMID: 9583929 PMCID: PMC1112988 DOI: 10.1136/bmj.316.7139.1230
Source DB: PubMed Journal: BMJ ISSN: 0959-8138