Retinaldehyde dehydrogenase 1 regulates a thermogenic program in white adipose tissue - Kiefer, F W; Vernochet, C; O’Brien, P; Spoerl, S; Brown, J D; Nallamshetty, S; Zeyda, M; Stulnig, T M; Cohen, D E; Kahn, C R; Plutzky, J (Nat Med, 2012)