Demographic, physical and lifestyle factors associated with androgen status: the Florey Adelaide Male Ageing Study (FAMAS) - Atlantis, E; Martin, S A; Haren, M T; O’Loughlin, P D; Taylor, A W; Anand-Ivell, R; Ivell, R; Wittert, G A (Clin Endocrinol, 2009)