A multimedial system for the collection and analyses of knowledge on parasites

The integrated knowledge-base concerning the class of Trematoda has been described using the entity-relazion model linking the agent, the vector, the disease, the related category of the International Classification of Disease and the geographic area. Ths model has been implemented with the Hypercard program on Macintosh defining a user-friendly and graphic interface. The various elements described, have been linked in order to permit a rapid consultation and 'navigation' in the data.