Stepehnson, Lani S. The impact of helminth infections on human nutrition : schistosomes and soil-transmitted helmints / by Lani S. Stephenson portions with Celia Holland. - London : Taylor & Francis, 1987. - 233 p. : ill. ; 24 cm. ISBN: 0850663679 Subjects--Topical Terms: Nematoda--parasitology.Nematode Infections.Protein--Calorie Malnutrition--etiology.Schistosoma.Schistosomiasis. Index Terms--Genre/Form: Parasitology.