title: The electron microscopic appearance of presecreted gastric mucus in cystic fibrosis.
mesh_terms: D000704:Analysis of Variance; D001706:Biopsy; D002648:Child; D003550:Cystic Fibrosis / Q000175:diagnosis / Q000503:physiopathology*; D005753:Gastric Mucosa / Q000378:metabolism* / Q000503:physiopathology; D006801:Humans; D008854:Microscopy, Electron; D009093:Mucus; D014783:Viscosity