Source: Eastern Region Public Health Observatory www.erpho.org.uk accessed November 2004. Figure 10 shows PHITS describing public health resources on the website of the ERPHO. Subjects or classes of interest can be selected from the 'Browse by subject' box on the left side of the underlying screen print. The overlying screen print shows the 'Services' class and its finer subclasses (e.g. 'Population based and preventive', 'Primary care'). The tabbed entries to the right show the types of resources available (e.g. all resources, data), and provides typical information on individual resources (e.g. 'A rapid mapping study of smoking 75 Sources included ICD10, MeSH, and SNOMED.