title: [The fine structure of mast cells: an ultrastructural study of difference between urticaria pigmentosa (Unna type & Róna type) and normal skin (author's transl)].
mesh_terms: D006801:Humans; D008407:Mast Cells / Q000648:ultrastructure*; D012867:Skin / Q000648:ultrastructure*; D014582:Urticaria Pigmentosa / Q000473:pathology*