00483nas a2200157 4500000000100000000000100001008004100002100001700043700001700060700001600077700001700093245018300110300001100293490000700304022001400311 2010 d1 aS. Johansson1 aM. Wallander1 aF. de Abajo1 aL. Rodriguez00aProspective drug safety monitoring using the UK primary-care General Practice Research Database: theoretical framework, feasibility analysis and extrapolation to future scenarios a223-320 v33 a0114-5916