A Thomas1, G Forster, A Robinson, K Rogstad. 1. Department of Community Paediatrics, St James's University Hospital, Leeds LS9 7TF, UK. amanda.thomas@leedsth.nhs.uk
Authors: K Wellings; K Nanchahal; W Macdowall; S McManus; B Erens; C H Mercer; A M Johnson; A J Copas; C Korovessis; K A Fenton; J Field Journal: Lancet Date: 2001-12-01 Impact factor: 79.321