title: Unexpected testosterone result for external quality assessment scheme sample.
authors.forename: Albert
authors.initials: A
authors.lastname: Wolthuis
authors.forename: Jan
authors.initials: J
authors.lastname: de Vreeze
mesh_terms: D005189:False Positive Reactions; D005260:Female; D017575:Gloves, Protective; D006801:Humans; D007118:Immunoassay / Q000592:standards; D008297:Male; D011786:Quality Control; D013048:Specimen Handling / Q000592:standards*; D013739:Testosterone / Q000032:analysis*
chemical_list: D013739:Testosterone