TY  - RPRT
TI  - Training in old age.
AU  - C C Sieber
AU  - T Nikolaus
PY  - 2004
DO  - 10.1007/s00391-004-0207-4
UR  - https://pubmed.ncbi.nlm.nih.gov/14991288/
ID  - 14991288
ER  -