title: An ultrastructural and immunohistochemical study of a combined submucosal granular cell tumor and lipoma of the colon showing a unique nodule-in-nodule structure: putative implication of CD34 or prominin-2-positive stromal cells in its histopathogenesis.
authors: Taisuke
authors: T
authors: Mori
authors: Hideki
authors: H
authors: Orikasa
authors: Takeharu
authors: T
authors: Shigematsu
authors: Kazuto
authors: K
authors: Yamazaki