letter . 1992 Apr 1;146(7):1146–1148.
Snowboarding injuries: an analysis and comparison with alpine skiing injuries.
PMCID: PMC1488321 PMID: 1555139
See the reply "The author responds" on page 1146c.
See the article "Snowboarding injuries: an analysis and comparison with alpine skiing injuries." in volume 145 on page 1097.