Is ovarian and adrenal venous catheterization and sampling helpful in the investigation of hyperandrogenic women? - Kaltsas, G A; Mukherjee, J J; Kola, B; Isidori, A M; Hanson, J A; Dacie, J E; Reznek, R; Monson, J P; Grossman, A B (Clin Endocrinol, 2003)