Source: Paediatric & Perinatal Epidemiology, Volume 15, Number 2, April 2001 , pp. 144-200(57)
Publisher: Blackwell Publishing
Abstract:
hereDocument Type: Research article
DOI: 10.1046/j.1365-3016.2001.00330.x
Affiliations: 1: formerly Senior Lecturer, Division of Pharmacology and Toxicology, United Medical and Dental Schools, University of London, UK 2: formerly Chief Scentific Officer, Department of Health, London, UK
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