The outdoor mobility of elderly people--a comparative study in three European countries.
Mollenkopf
H
H
WZB, Berlin, Germany.
Marcellini
F
F
Ruoppila
I
I
D000203:Activities of Daily Living; D000368:Aged / Q000502:physiology; D004779:Environment Design; D005387:Finland; D005858:Germany; D006801:Humans; D007558:Italy; D011788:Quality of Life; D012944:Social Support; D014186:Transportation; D016138:Walking