Figure 2.

Distribution of risk factors for upper gastrointestinal tract complications (UGIC) among cardioprotective aspirin users in the UK (General Practice Research Database; GPRD) and Spain (Base de Datos para la Investigación Farmacoepidemiológica en Atención Primaria; BIFAP).

Hernández-Díaz and García Rodríguez BMC Medicine 2006 4:22   doi:10.1186/1741-7015-4-22
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