TY  - RPRT
TI  - Safe cycling.
AU  - H Nehoda
AU  - K Hourmont
AU  - B W Hochleitner
PY  - 1999
DO  - 10.1016/s0140-6736(05)74422-6
UR  - https://pubmed.ncbi.nlm.nih.gov/10210020/
ID  - 10210020
ER  -