Michael R Perkin1. Show Affiliations » 1. Department of Child Health, St George's Hospital Medical School, London SW17 0RE. m.perkin@sghms.ac.uk
Abstract
Mesh: See more » Birth OrderFamily CharacteristicsHumansOdds RatioSex FactorsSoccerWit and Humor as Topic
Year: 2003 PMID: 14684654 PMCID: PMC300816 DOI: 10.1136/bmj.327.7429.1473
Source DB: PubMed Journal: BMJ ISSN: 0959-8138