@misc{9710, author = {R. Charlton and J. Weil and M. Cunnington and C. de Vries}, title = {Identifying major congenital malformations in the UK General Practice Research Database (GPRD): a study reporting on the sensitivity and added value of photocopied medical records and free text in the GPRD}, year = {2010}, journal = {Drug Saf}, volume = {33}, number = {9}, pages = {741-50}, issn = {0114-5916}, doi = {10.2165/11536820-000000000-00000}, }