(Q80531325)
Statements
Age-related decrease in serum 25-hydroxyvitamin D concentrations in the frail elderly: a longitudinal study (English)
Kazutoshi Nakamura
Tomoko Nishiwaki
Kimiko Ueno
Masaharu Yamamoto
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference