2012-04-042012-04-041999Ceylon Journal of Science (Biological Sciences)27pp.33-40https://dl.nsf.gov.lk/handle/1/7637Biological SciencesTrypanosoma lewisiRattus norvegicusHaemoflagellateStercorarian trypanosomeHost-parasite relationParasitologyImmune responsePresence of Trypanosoma lewisi in Rattus norvegicus in Sri LankaArticle