00528nas a2200169   4500000000100000000000100001008004100002100001600043700001200059700001800071700001100089700001600100245021000116300001100326490000700337022001400344       2011                            d1 aR. Charlton1 aJ. Weil1 aM. Cunnington1 aS. Ray1 aC. de Vries00aComparing the General Practice Research Database and the UK Epilepsy and Pregnancy Register as tools for postmarketing teratogen surveillance: anticonvulsants and the risk of major congenital malformations  a157-710 v34  a0114-5916