title: Some epidemiological studies on Ancylostoma duodenale infection.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000722:Ancylostoma / Q000302:isolation & purification; D000724:Ancylostomiasis / Q000150:complications / Q000453:epidemiology* / Q000469:parasitology; D000740:Anemia / Q000209:etiology*; D002648:Child; D004534:Egypt; D005243:Feces / Q000469:parasitology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010270:Parasite Egg Count; D012621:Seasons; D012987:Soil
chemical_list: D012987:Soil