Figure 1.

Schematic description of the distribution of the total number of cases in a two-source capture-recapture model (Venn diagram). n is the total number of cases in the population, L1 and L2 the number of cases captured by each one of the two systems, m the number of missing cases from both systems and d the duplicates.

Mellou et al. BMC Public Health 2013 13:875   doi:10.1186/1471-2458-13-875
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