Cercarial shedding patterns of various schistosome species under outdoor conditions in the Transvaal.
D000818:Animals; D002940:Circadian Rhythm; D004463:Ecology; D012547:Schistosoma / Q000502:physiology*; D012621:Seasons; D012908:Snails; D013019:South Africa; D013045:Species Specificity; D013696:Temperature