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. 2013 Oct 25;12:47. doi: 10.1186/1476-072X-12-47

Figure 1.

Figure 1

Size of the at-risk population for each cluster in the Auvergne region, as defined by mean number of live births per year between 1999 and 2006 (source: INSEE). Q1: ≤ 102; Q2: > 102 and ≤ 175; Q3: > 175 and ≤ 293; Q4: >293.