Impact of the Leu7Pro Polymorphism of preproNPY on Diurnal NPY and Hormone Secretion in Type 2 Diabetes - Jaakkola, U; Koulu, M; Karvonen, M K; Seppälä, H; Pesonen, U; Vahlberg, T; Kallio, J (Experimental and Clinical Endocrinology & Diabetes, 2007)