Relationship of serum C3 to fasting insulin, risk factors and previous ischaemic events in middle-aged men. - Muscari,A.; Massarelli,G.; Bastagli,L.; Poggiopollini,G.; Tomassetti,V.; Drago,G.; Martignani,C.; Pacilli,P.; Boni,P.; Puddu,P. (Eur Heart J, 2000)