KARLSSON , F. A.; BERNE , C.; BJÖRK , E.; KULLIN , M.; LI , Z.; MA , J.-Y.; SCHÖLIN , A.; ZHAO , L. Beta-cell Activity and Destruction in Type 1 Diabetes. Upsala Journal of Medical Sciences, v. 105, n. 2, p. 85-95, 12 Jul. 2000.