Ontology highlight
ABSTRACT:
SUBMITTER: McCartney CR
PROVIDER: S-EPMC7017602 | biostudies-literature | 2018 Dec
REPOSITORIES: biostudies-literature
McCartney Christopher R CR Burt Solorzano Christine M CM Patrie James T JT Marshall John C JC Haisenleder Daniel J DJ
Steroids 20180912
<h4>Context</h4>The appropriate role of direct total testosterone (T) immunoassays in reproductive research is controversial.<h4>Objective</h4>To assess the concordance between two direct immunoassays and a liquid chromatography-tandem mass spectrometry (LC-MS/MS) assay for total T in adolescent girls with measured concentrations < 50 ng/dl.<h4>Design</h4>Cross-sectional analysis.<h4>Setting</h4>Academic medical center.<h4>Participants</h4>Adolescent girls (age 8.4-18.1 years) participating in c ...[more]