Murakami, S., Miyatake, N. and Sakano, N. (2012) Changes in air temperature and its relation to ambulance transports due to heat stroke in all 47 prefectures of Japan. Journal of Preventive Medicine and Public Health, 45, 309-315.
 Miyatake, N., Sakano, N. and Murakami, S. (2011) The higher air temperature was closely associated with higher ambulance transports due to heat stroke in elderly Japanese. Open Journal of Epidemiology, 1, 1-4.
 Wanitschek, M., Ulmer, H., Sussenbacher, A., Dorler, J., Pachinger, O. and Alber, H.F. (2013) Warm winter is associated with low incidence of ST elevation myocardial infarctions and less frequent acute coronary angiographies in an alpine country. Herz, 38, 163-170.
 Japan Meteorological Agency, Japan (2013) Monthly annual climate parameters in Sakata area, Yamagata prefecture, Japan. http://www.data.jma.go.jp/obd/stats/etrn/index.php?prec_no=35&block_no=47587&year=&month=&day=&view=
 Miyatake, N., Sakano, N., Murakami, S., Suna, S., Suzue, T. and Hirao T. (2011) Comparison of the changes in temperatures among rural, urban and metropolitan areas around the Inland Sea in Japan. Environmental Monitoring and Assessment, 181, 525-530.
 Doyon, B., Belanger, D. and Gosselin P. (2008) The potential impact of climate change on annual and seasonal mortality for three cities in Quebec, Canada. International Journal of Health Geographics, 22, 23.