Monzon, R BKitikoon, V2009-05-272009-05-271992-03-01Monzon RB, Kitikoon V. Radix quadrasi and Physastra hungerfordiana: additional natural second intermediate hosts of Echinostoma malayanum in the Philippines. The Southeast Asian Journal of Tropical Medicine and Public Health. 1992 Mar; 23(1): 159-61http://imsear.searo.who.int/handle/123456789/33300The Southeast Asian Journal of Tropical Medicine and Public Health.engAnimalsBiological AssayData CollectionDisease VectorsEchinostoma --growth & developmentEvaluation Studies as TopicFresh WaterParasite Egg CountPhilippinesRatsRats, Inbred StrainsSnails --classificationRadix quadrasi and Physastra hungerfordiana: additional natural second intermediate hosts of Echinostoma malayanum in the Philippines.Journal Article