Citation
L. H. Wilder. [1903]. “Male and female hookworms, Anchylostoma duodenale (European hookworm), figures for "Report upon the prevalence and geographic distribution of hookworm disease…" by C. W. Stiles (1903), Public Health and Marine-Hospital Service of the United States, Hygienic Laboratory Bulletin No. 10. .” Special Collections, USDA National Agricultural Library. Accessed August 22, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/8105.