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Authors: Stewart, A.L.; Roth, S.C.; Kirkbride, V.
Source: Early Human Development, Volume 41, Number 2, 14 April 1995, pp. 87-95(9)
Document Type: Review Article
Affiliations: Departments of Paediatrics and Obstetrics, University College London Medical School, The Rayne Institute, University Street, London WC1E 6JJ, UK
Publication date: April 14, 1995