Fasting Reduces Plasma Leptin- and Ghrelin-Immunoreactive Peptide Concentrations of the Burbot (Lota lota) at 2°C But Not at 10°C Nieminen, Petteri and Mustonen, Anne-Mari and Hyvärinen, Heikki, Zoological Science, 20, 1109-1115 (2003), DOI:http://dx.doi.org/10.2108/zsj.20.1109