%0 Journal Article %T THE REPORT OF A NEARLY PURE ANCYLOSTOMA DUODENALE INFESTATION IN NATIVE SOUTH AMERICAN INDIANS AND A DISCUSSION OF ITS ETHNOLOGICAL SIGNIFICANCE* %A SOPER, FRED L. %J American Journal of Epidemiology %V 7 %N 2 %P 174-184 %@ 0002-9262 %D 1927-03-01 %I Oxford University Press %~ DeepDyve