Retinol binding protein 4 expression in humans: relationship to insulin resistance, inflammation, and response to pioglitazone - Yao-Borengasser, A; Varma, V; Bodles, A M; Rasouli, N; Phanavanh, B; Lee, M J; Starks, T; Kern, L M; Spencer, H J; Rashidi, A A; McGehee, R E; Fried, S K; Kern, P A (J Clin Endocrinol Metab, 2007)