1. Coevolution between hosts and infectious disease agents, and its effects on virulences;Allison,1982
2. Coevolution of hosts and parasites;Anderson;Parasitology,1982
3. Entamoeba histolytica Cytopathogenicity of intact amoebae and cell-free extracts; isolation and characterization of an intracellular toxin;Bos;Exp. Parasitol,1979
4. Tetrahymenid ciliates as parasites of the gray garden slug;Brooks;Hilgardia,1968
5. New concepts of Microsporida and their potential in biological control;Canning,1977