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. Author manuscript; available in PMC: 2013 Oct 23.
Published in final edited form as: Rev Econ Stat. 2009 Jan 28;91(1):52–65. doi: 10.1162/rest.91.1.52

Figure 3.

Figure 3

Average Worm Counts, by Age Group, in Alabama and Brazil

Notes: This figure plots the age profile of hookworm counts reported by Smillie and Augustine (1926) for Alabama (black bars) and Brazil (graybars). Smillie and Augustine report counts for ages above 19 as “very light” in Alabama.