%0 Journal Article %T Serum C-Peptide Concentrations and Their Value in Evaluating the Usefulness of Insulin Therapy in Elderly Diabetics %A Kyllästinen, M. %A Elfving, S. %J Gerontology %V 32 %N 6 %P 317-326 %@ 0304-324X %D 1986-01-01 %I S. Karger AG %~ DeepDyve