Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Tadashi Iwao and Kenji Sakai and Eiji Ando,Seasonal fluctuations of glycated hemoglobin levels in Japanese diabetic patients : effect of diet and physical activity,Diabetology international,21901678,Tokyo : Springer Japan Production Department,2013,4,3,173-178,https://cir.nii.ac.jp/crid/1523388079729226752,