title: Optical density cut-off values for Clostridium difficile enzyme immunoassays.
authors.forename: S D
authors.initials: SD
authors.lastname: Goldenberg
authors.forename: E
authors.initials: E
authors.lastname: Simpson
authors.forename: G L
authors.initials: GL
authors.lastname: French
mesh_terms: D016360:Clostridioides difficile / Q000302:isolation & purification*; D006801:Humans; D007124:Immunoenzyme Techniques; D011237:Predictive Value of Tests; D012016:Reference Values; D012189:Retrospective Studies; D013053:Spectrophotometry / Q000379:methods*