. . "UMLS_CUI:C1332950"^^ . . _:vb50954751 . "DOID:6386"^^ . "childhood brainstem astrocytoma"^^ . _:vb50954751 . "NCI:C6216"^^ . . _:vb50954751 . "disease_ontology"^^ . . _:vb50954751 . _:vb50954751 .