title: Surface ultrastructure of giardial infestation.
mesh_terms: D004386:Duodenum / Q000648:ultrastructure; D005873:Giardiasis / Q000473:pathology*; D006801:Humans; D007413:Intestinal Mucosa / Q000648:ultrastructure*; D008286:Malabsorption Syndromes / Q000473:pathology; D008297:Male; D008875:Middle Aged