BMJ. 1999 May 8;318(7193):1267-9.
Evaluating and researching the effectiveness of educational interventions.
Hutchinson L.
Department of Child Health, St George's Hospital Medical School, London SW17 0RE. l.hutchinson@sghms.ac.uk
PMID: 10231262 [PubMed - indexed for MEDLINE]
PMCID: PMC1115652