Resolution: standard / high
Figure 3.
T-Square sampling method. (Abbreviations: H, household; S, sampling points; distances labelled x and y; planes labelled L and R; lines labelled Q and C; Ω, region of interest).
Bostoen et al. Emerging Themes in Epidemiology 2007 4:7 doi:10.1186/1742-7622-4-7
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