[Studies on the life span of Ascaris eggs in garden soil].
D000818:Animals; D001200:Ascaris; D004531:Eggs; D051639:Gardening; D010063:Ovum; D012987:Soil
D012987:Soil
ASCARIS; OVUM
Untersuchungen über die Lebensdauer von Askarideneiern in Gartenerde.