_:vb50950277 "url:https://www.ncbi.nlm.nih.gov/pubmed/22123420"^^ . _:vb50950277 . _:vb50950277 "url:http://en.wikipedia.org/wiki/Melanoma"^^ . _:vb50950277 . _:vb50950277 "A cell type cancer that has_material_basis_in abnormally proliferating cells derives_from melanocytes which are found in skin, the bowel and the eye."^^ . _:vb50950277 . _:vb50950277 . _:vb50950277 . _:vb50950277 .