title: Langhans vs Langerhans: a perennial confusion.
authors.forename: Karl
authors.initials: K
authors.lastname: Holubar
mesh_terms: D004850:Eponyms; D005197:Famous Persons; D005858:Germany; D006333:Heart Failure / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011656:Pulmonary Emphysema / Q000266:history*; D014397:Tuberculosis, Pulmonary / Q000266:history*