Resolution: standard / high
Figure 4.
Absolute number of cases of pneumonia and respiratory infections monthly, in the Yearly Contact Group, between 1998–2002*. *The axis for pneumonia is situated on the left of the figure, the axis for respiratory infections on the right.
Van den Bruel et al. BMC Family Practice 2006 7:23 doi:10.1186/1471-2296-7-23
Download authors' original image