title: [Letter: Gastrointestinal macroparticle biopsy].
mesh_terms: D001706:Biopsy; D005770:Gastrointestinal Neoplasms / Q000473:pathology*; D006801:Humans; D007417:Intestinal Polyps / Q000473:pathology*
vernacular_title: Leser-Zuschriften: Gastrointestinale Makropartikelbiopsie