Vitamin D deficiency and lifestyle factors in the oldest old.
Chieko
C
Sumiya
Yasumichi
Y
Arai
Michiyo
M
Takayama
Yukiko
Y
Abe
Nobuyoshi
N
Hirose
Keiko
K
Asakura
Yuji
Y
Nishiwaki
Toru
T
Takebayashi
D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D008019:Life Style; D008297:Male; D014808:Vitamin D Deficiency / Q000453:epidemiology*