Ovarian Leydig cell hyperplasia as a rare cause of hair loss in a postmenopausal female patient: a case report and diagnostic approach toward postmenopausal hyperandrogenism. (April 2016) - Koeneman, M.M.; Heiligers-Duckers, C.; van der Velde, R.; Wouda, S.; de Rooij, M.J.M.; Janssen, M.J.W.; Boskamp, D.