Nocturnal Urinary Melatonin Excretion is Associated with Non-dipper Pattern in Elderly Hypertensives
Obayashi K*, Saeki K, Iwamoto J, Ikada Y, Kurumatani N
J Affect Disord, 151(1) 331-336, Oct, 2013

Influence of Room Heating on Ambulatory Blood Pressure in Winter: A Randomised Controlled Study
Saeki K, Obayashi K, Iwamoto J, Tanaka Y, Tanaka N, Takata S, Kubo H, Okamoto N, Tomioka K, Kurumatani N
J Epidemiol Community Health, 67(6) 484-490, Jun, 2013

Exposure to Light at Night, Nocturnal Urinary Melatonin Excretion, and Obesity/Dyslipidemia in the Elderly: A Cross-sectional Analysis of the HEIJO-KYO Study
Obayashi K*, Saeki K, Iwamoto J, Okamoto N, Tomioka K, Nezu S, Ikada Y, Kurumatani N
J Clin Endocrinol Metab, 98(1) 337-344, Jan, 2013

Positive Effect of Daylight Exposure on Nocturnal Urinary Melatonin Excretion in the Elderly: A Cross-sectional Analysis of the HEIJO-KYO Study
Obayashi K*, Saeki K, Iwamoto J, Okamoto N, Tomioka K, Nezu S, Ikada Y, Kurumatani N
J Clin Endocrinol Metab, 97(11) 4166-4173, Nov, 2012

A Cross-Sectional Study for the Association between Thermal/Lighting Environments and Blood Pressure Variability
Obayashi K*, Saeki K
Kenko Ikagaku, 27 11-22, Mar, 2012

Work-Related Aggression and Violence Committed by Patients and Its Psychological Influence on Doctors
Saeki K, Okamoto N, Tomioka K, Obayashi K, Nishioka H, Ohara K, Kurumatani N
J Occup Health, 53(5) 356-364, May, 2011