Liquid chromatography-tandem mass spectrometry analysis of human adrenal vein 19-carbon steroids before and after ACTH stimulation - Rege, J; Nakamura, Y; Satoh, F; Morimoto, R; Kennedy, M R; Layman, L C; Honma, S; Sasano, H; Rainey, W E (J Clin Endocrinol Metab, 2013)