I'd also point you to the Association of Occupational Health Nurse Practitioners (UK). The regional director for London is Susanna Everton. You can find out more about the AOHNP at http://www.aohnp.co.uk/1141/index.html and membership application forms can be downloaded from http://www.aohnp.co.uk/1078.html
Siân (Regional Director for the South West)
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