[Development of index of social activities for the elderly].
Hashimoto S, Aoki R, Tamakoshi A, Shibazaki S, Nagai M, Kawakami N, Ikari A, Ojima T, Ohno Y.
Hashimoto S, et al. Among authors: nagai m.
Nihon Koshu Eisei Zasshi. 1997 Oct;44(10):760-8.
Nihon Koshu Eisei Zasshi. 1997.
PMID: 9436384
Japanese.