TY  - RPRT
TI  - Crash helmets reduce head injuries.
AU  - K G Jamieson
AU  - D Kelly
PY  - 1973
DO  - 10.5694/j.1326-5377.1973.tb129780.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4760233/
ID  - 4760233
ER  -