General health guidelines

National Institute of Health & Clinical Excellence - www.nice.org.uk
British Heart Foundation - www.bhf.org.uk
Diabetes UK - www.diabetes.org.uk
Cancer Research - www.cancerresearchuk.org
NHS Direct - www.nhsdirect.nhs.uk
Honorary Doctors - www.honorarydoctors.org

Allergy information

Allergy Education - www.allergyeducation.co.uk

Fertility

Herts & Essex Fertility Centre - www.hertsandessexfertility.com

Laboratory services

The Pathlab - www.thepathlab.co.uk

Laboratory accreditation services

UKAS - www.ukas.com