Hemifacial Spasm Association - http://www.emedicinehealth.com/articles/9700-1.asp Support and information source for sufferers of HFS. Free membership provides group email, bulletin board and chat room.
NHS Direct Online Health Encyclopaedia - http://www.emedicinehealth.com/articles/9700-1.asp Encyclopedia article on neuralgia. Includes the symptoms, diagnosis, treatment and the causes.
Occipital Neuralgia Information Page - http://www.emedicinehealth.com/articles/9700-1.asp From National Institute of Neurological Disorders and Stroke.