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Olswang et al. (2002) "A mutation in the peroxisome proliferator-activated receptor gamma-binding site in the gene for the cytosolic form of phosphoenolpyruvate carboxykinase reduces adipose tissue size and fat content in mice." Proc. Natl. Acad. Sci. U.S.A. 99(2):625-630 (PubMed)