Figure 1
From: Utilization of the out of hours service in Poland: an observational study from Krakow
![Figure 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1472-6963-8-212/MediaObjects/12913_2008_Article_780_Fig1_HTML.jpg)
Seasonal variation in the number of visits and procedures in 2003–2004.
From: Utilization of the out of hours service in Poland: an observational study from Krakow
Seasonal variation in the number of visits and procedures in 2003–2004.