_:vb50939470 . _:vb50939470 . _:vb50939470 "A Griscelli syndrome characterized by isolated silvery gray sheen of the hair and hypopigmentation of the skin that has_material_basis_in mutation in the MLPH or MYO5A genes."^^ . _:vb50939470 "url:https://www.ncbi.nlm.nih.gov/pubmed/12148598"^^ . _:vb50939470 . _:vb50939470 . _:vb50939470 . _:vb50939470 "url:https://www.ncbi.nlm.nih.gov/pubmed/12897212"^^ .