Hydatidiform Mole and Choriocarcinoma UK information and support services. http://www.hmole-chorio.org.uk/

eMedicine: Hydatidiform Mole Provides an in-depth discussion of the condition including statistics, symptoms, diagnosis and treatment issues. Aimed at the professional level. http://www.emedicine.com/med/topic1047.htm

Yahoo Health: Bone Cancer Information includes risks, diagnosis and treatment. http://health.yahoo.com/health/centers/bone_health/