BMC Public Health

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Open Access Highly Access Research article

Alcohol and cannabis use as risk factors for injury – a case-crossover analysis in a Swiss hospital emergency department

Gerhard Gmel*, Hervé Kuendig, Jürgen Rehm, Nicolas Schreyer and Jean-Bernard Daeppen

BMC Public Health 2009, 9:40 doi:10.1186/1471-2458-9-40

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