Figure 1.

Mean number of prescription days of benzodiazepines for each trimester between 2007 and 2010 and corresponding confidence interval. The first trimester of 2007 is omitted due to the unavailability of information of prescription days from the preceding trimester.

Kollen et al. BMC Family Practice 2012 13:111   doi:10.1186/1471-2296-13-111
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