Figure 2From: Trends in sexually transmitted infections in the Netherlands, combining surveillance data from general practices and sexually transmitted infection centers Trends in STI-diagnoses registered by GPs (A) and STI centers (B) in the Netherlands, 2002-2007. Estimates from GP surveillance (LINH-DB) extrapolated of 60 sentinel surgeries and numbers from national surveillance of 32 STI centers (SOAP).Back to article page