title: Clostridium difficile testing: after 20 years, still challenging.
authors.affiliation: TechLab, Inc, Blacksburg, Virginia 20406-6364, USA. tracyw@techlab.com
authors.forename: Tracy D
authors.initials: TD
authors.lastname: Wilkins
authors.forename: David M
authors.initials: DM
authors.lastname: Lyerly
mesh_terms: D001431:Bacteriological Techniques; D016360:Clostridioides difficile / Q000276:immunology / Q000302:isolation & purification*; D004761:Enterocolitis, Pseudomembranous / Q000266:history / Q000382:microbiology*; D049673:History, 20th Century; D006801:Humans