_:vb50944547 . _:vb50944547 . _:vb50944547 "A psoriasis that has_material_basis_in variation in a region on chromosome 16q. This region overlaps one that is associated with inflammatory bowel disease 1 disease."^^ . _:vb50944547 . _:vb50944547 . _:vb50944547 . _:vb50944547 "url:https://www.ncbi.nlm.nih.gov/pubmed/9259283"^^ .