title: Abbreviated direct and indirect ELISAs: a new and simple format.
authors.forename: J G
authors.initials: JG
authors.lastname: Lewis
authors.forename: P A
authors.initials: PA
authors.lastname: Elder
mesh_terms: D019314:Dehydroepiandrosterone Sulfate / Q000032:analysis; D004797:Enzyme-Linked Immunosorbent Assay / Q000379:methods*; D006854:Hydrocortisone / Q000032:analysis; D012738:Sex Hormone-Binding Globulin / Q000032:analysis
chemical_list: D012738:Sex Hormone-Binding Globulin; D019314:Dehydroepiandrosterone Sulfate; D006854:Hydrocortisone