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. 2009 Feb 10;2:11. doi: 10.1186/1756-3305-2-11

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Copyright © 2009 Walker et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Relationship between the proportion of zero egg counts and female worm burden. Top row: a scatter plot of the proportion of zero egg counts per stratum of female Ascaris worm burden in the baseline (A), 1^st(B) and 2^nd(C) re-infection populations. Bottom row: logit of the proportion of zero egg counts per stratum of the natural logarithm of female worm burden in the baseline (D), 1^st(E) and 2^nd(F) re-infection populations showing approximately linear relationships.