]
(1989). Inoculum size in shigellosis and implications for expected mode of transmission.
J Infect Dis. Jun;159(6):1126-8..
(1989). Integrated wastewater treatment using artificial wetlands: a gravel marsh case study.
Constructed Wetlands for Wastewater Treatment: Municipal, Industrial, and Agricultural. Lewis Publishers, Chelsea, MI, USA. pp. 145–152.
(1989). {Investigaciones sobre Pseudophyllidea (Carus, 1813) en el sur de Chile. X Observaciones experimentales sobre la coexistencia de plerocercoides de Dipylllobothrium latum (L.) y Diphyllobothrium dendriticum (Nitzsch) en salmónidos de la cuenca del.
Archivos de Medicina Veterinaria. 21, pp. 51–57.
(1989). A key to three species of larval Diphyllobothrium Cobbold, 1858 (Cestoda: Pseudophyllidea) occurring in European and North American freshwater fishes.
Systematic Parasitology. 13, pp. 3–9.
(1989). Les emissions cercariennes de Fasciola hepatica L. chez le mollusque Lymnaea truncatula Muller. A propos de quelques observations chronobiologiques.
Bull Soc Fr Parasitol. 7, pp. 217-224.
(1989). Low- temperature regimes for decontamination of fish of the larvae Opisthorchis (in Russian).
Medicine Parazitology (Mosk). 5, pp. 63–65.
(1989). The major surface antigen, P30, of Toxoplasma gondii is anchored by a glycolipid.
Journal of Biological Chemistry. 264, pp. 5569–5574.
(1989). Occasional parasitic infections of man in Papua New Guinea and Iran Jaya (New Guinea).
Annals of Tropical Medicine and Parasitology. 83, pp. 121-135.
(1989). Oocyst-induced Toxoplasma gondii infections in cats.
Journal of Parasitology. 75, pp. 750–755.
(1989). An outbreak of amebiasis in an institution for the mentally retarded in Japan.
Japanese Journal of Medical Science and Biology. 42, pp. 63–76.
(1989). An outbreak of giardiasis and amoebiasis at a ski resort in Sweden.
Water Science and Technology. 21, pp. 143–146.
(1989). Potable water safety assessed by coliphage and bacterial tests.
Water Research. 23, pp. 253–255. doi: 10.1016/0043-1354(89)90050-X.
(1989). The prevalence and source of Toxoplasma infection in the environment.
Advances in Parasitology. 28, pp. 55–105.
(1989). Quantification of helminth eggs in wastewater.
Zent. bl. Hyg Umweltmed. 188, pp. 322–330.
(1989). Reactive arthritis complicating cryptosporidial infection.
Archives of Disease in Childhood. 1989/05/01 ed.64, pp. 743-4.
(1989). Recovery of viruses and bacteria in waters off Bondi beach: a pilot study.
Med J Aust. 151, pp. 632-8.
(1989). Recovery of viruses and bacteria in waters off Bondi beach: a pilot study.
The Medical Journal of Australia. 151, pp. 632–8.
(1989). Scanning electron microscopic study of four Diphyllobothrium species.
Parasitology Research. 75, pp. 238–244.
(1989). Septic Tank Setback Distances: A Way to Minimize Virus Contamination of Drinking Water a.
Groundwater. 27, Wiley Online Library. pp. 202–208.
(1989). Soil-transmitted helminth infections in school children from Cocle Province, Republic of Panama.
Parasitology. 99, pp. 287–292. doi: 10.1017/S0031182000058741.
(1989). Some observations on the faecal carriage of mesophilic Aeromonas species in cows and pigs.
Epidemiology and Infection. 103, pp. 523-537.
(1989). Studies on the incidence of Vibrio cholerae in fishery product.
Journal of Food Science and Technology. 26, pp. 341–342.
(1989). A survey of intestinal helminths of well-cared-for dogs in Jamaica, and their potential public health significance.
Journal of Helminthology. 63, pp. 32-8.
(1989). A survey of intestinal helminths of well-cared-for dogs in Jamaica, and their potential public health significance.
J Helminthol. 63, pp. 32–8.
(1989). Survival and activity of Salmonella typhimurium and Escherichia coli in tropical freshwater.
Journal of Applied MicrobiologyJournal of applied microbiology. 67, pp. 61-69.