title: Double embedding in agar/paraffin wax as an aid to orientation of mucosal biopsies.
mesh_terms: D000362:Agar; D001706:Biopsy / Q000379:methods; D006801:Humans; D007410:Intestinal Diseases / Q000473:pathology*; D007413:Intestinal Mucosa / Q000473:pathology*; D010232:Paraffin
chemical_list: D010232:Paraffin; D000362:Agar