Alternative items for identifying hierarchical levels of physical disability by using physical performance tests in women aged 75 years and older.
Kim
Mi-Ji
MJ
Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan. mijiak@stat.taiiku.tsukuba.ac.jp
Yabushita
Noriko
N
Kim
Maeng-Kyu
MK
Matsuo
Tomoaki
T
Okuno
Junko
J
Tanaka
Kiyoji
K