title: Histological demonstration of mucosal invasion by Giardia lamblia in man.
mesh_terms: D001706:Biopsy; D005873:Giardiasis / Q000473:pathology*; D006652:Histological Techniques; D006801:Humans; D007411:Intestinal Diseases, Parasitic / Q000473:pathology*; D007413:Intestinal Mucosa / Q000473:pathology*; D007421:Intestine, Small / Q000473:pathology*; D013194:Staining and Labeling