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 - www.nhs.uk
Honorary Doctors - www.honorarydoctors.org
Allergy information
Allergy Education - www.allergyeducation.co.uk
Fertility
Herts & Essex Fertility Centre - www.hertsandessexfertility.com
Laboratory accreditation services
UKAS - www.ukas.com