Association between Polymorphism of the glycogen synthase gene and non-insulin-dependent diabetes mellitus. - Groop,L.C.; Kankuri,M.K.; Schalin-Jäntti,C.; Ekstrand,A.; Nikula-Ijäs,P.; Widen,E.; Kuismanen,E.; Eriksson,J.; Franssila-Kallunki,A.; Saloranta,C.; Koskimies,S. (NEJM, 1993)