Relationship of adiponectin to body fat distribution, insulin sensitivity and plasma lipoproteins: evidence for independent roles of age and sex. - Cnop,M.; Havel,P.J.; Utzschneider,K.M.; Carr,D.B.; Sinha,M.K.; Boyko,E.J.; Retzlaff,B.M.; Knopp,R.H.; Brunzell,J.D.; Kahn,S.E. (Diabetologia, 2003)