_:vb50938841 . _:vb50938841 "A chromosomal duplication syndrome that has_material_basis_in duplication of the chromosome 1q21.1 region."^^ . _:vb50938841 "url:https://ghr.nlm.nih.gov/condition/1q211-microduplication"^^ . _:vb50938841 . _:vb50938841 . _:vb50938841 .