Supercritical fluid extraction of methyltestosterone, nortestosterone and testosterone at low ppb levels from fortified bovine urine.

Stolker, AAMvan Ginkel, LAStephany, RWMaxwell, RJParks, OWLightfield, AR2025-03-172025-03-171999https://rivm.openrepository.com/handle/10029/638137Supercritical fluid extraction of methyltestosterone, nortestosterone and testosterone at low ppb levels from fortified bovine urine.ArticleJ Chromatogr B; 726:121-312025-03-17