STEYN, J J Use of social spiders against gastro-intestinal infections spread by house flies. [electronic resource] - South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde Aug 1959 - 730-1 p. digital Publication Type: Journal Article ISSN: 0256-9574 Subjects--Topical Terms: AnimalsCommunicable DiseasesGastroenterologyGastrointestinal DiseasesHousefliesHumansSpiders