1.
Factors Associated with Fear of Falling and Associated Activity Restriction in Community-Dwelling Older Adults: A Systematic Review
by Denkinger, Michael D., M.D
The American journal of geriatric psychiatry, 2015, Vol.23 (1), p.72-86

2.
Relationships between physical performance and knee and hip osteoarthritis: findings from the European Project on Osteoarthritis (EPOSA)
by Edwards, M.H
Age and ageing, 2014, Vol.43 (6), p.806-813
