title: The Case of the Inverted Sample.
authors: Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada.
authors: Dorothy
authors: D
authors: Truong
authors: Laboratory Medicine Program, University Health Network, Toronto, Canada.
authors: Vivian
authors: V
authors: Wang
authors: Laboratory Medicine Program, University Health Network, Toronto, Canada.
authors: Jenny
authors: J
authors: Cheung
authors: Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada; paul.yip@uhn.ca.|Laboratory Medicine Program, University Health Network, Toronto, Canada.
authors: Paul M
authors: PM
authors: Yip
mesh_terms: D000236:Adenoma / Q000175:diagnosis*; D001798:Blood Proteins / Q000378:metabolism; D001799:Blood Sedimentation; D001800:Blood Specimen Collection; D002498:Centrifugation; D003287:Contrast Media / Q000009:adverse effects; D006801:Humans; D049950:Hyperparathyroidism, Primary / Q000175:diagnosis*; D010282:Parathyroid Neoplasms / Q000175:diagnosis*; D014057:Tomography, X-Ray Computed; D014283:Triiodobenzoic Acids / Q000009:adverse effects
chemical_list: D001798:Blood Proteins; D003287:Contrast Media; D014283:Triiodobenzoic Acids; C044834:iodixanol