Hiromi Ota, Koji Teruya, Tomomi Katagiri, Sachiko Oki:o conduct a three-year longitudinal study targeting community-dwelling elderly adults in order to examine the relationship between changes in social network status and depression. J Kyorin Med. Soc. 44(2)53-63,2013
Chizuru Toida, Hiromi Ota, Hiroyuki Ishii, Mina Kusuda , Keita Aihara:Factors Related to Start Exercise and Maintain Routine Exercise in Community-Dwelling Elderly. ~Focus on Social Support~,J Kyorin Med. Soc.51(2),79-91,2020