@inproceedings{52664f4d93dc43a686704e22c037d6ca,
title = "Risk factors for ski injuries: a crash course of epidemiologic methods with emphasis on comparability in experiments and case control studies",
author = "P.G. Knipschild and L.M. Bouter",
year = "1989",
language = "English",
isbn = "0803111975",
pages = "9--17",
booktitle = "Skiing Trauma and Safety: 7th International Symposium",
publisher = "ASTM",
note = "ASTM Philadelphia: Skiing Trauma and Safety: 7th International Symposium ; Conference date: 01-01-1989 Through 01-01-1989",
}