Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0151-9638(09)00033-7
Skin Cancer free resource MedlinePlus Health Information https://medlineplus.gov/skincancer.html
subscription/membership/fee required Masson (France) http://www.em-consulte.com/retrieve/pii/S0151-9638(09)00033-7