Serum steroid profiling by isotopic dilution-liquid chromatography-mass spectrometry: comparison with current immunoassays and reference intervals in healthy adults - Fanelli, F; Belluomo, I; Di Lallo, V D; Cuomo, G; De Iasio, R; Baccini, M; Casadio, E; Casetta, B; Vicennati, V; Gambineri, A; Grossi, G; Pasquali, R; Pagotto, U (Steroids, 2011)