Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) JOVONOVIC R,Paragangliomas : Neuroendocrine features and cytometric DNA distribution patterns. A clinico-pathological study of 22 cases,Virchows Arch A Path Anat,,,1991,419,,455-461,https://cir.nii.ac.jp/crid/1574231875788298368,https://doi.org/10.1007/bf01650672