]
(1991). Influence of non-target molluscs on the growth of Biomphalaria glabrata infected with Schistosoma mansoni: correlation between growth and cercarial production.
Journal of Molluscan Studies. 57, pp. 1-10.
(1991). Intestinal fluke infections in Southeast Asia.
Southeast Asian Journal of Tropical Medicine and Public Health. 22, pp. 158–162.
(1991). Isolation, characterization, and serial propagation of a bovine group C rotavirus in a monkey kidney cell line (MA104).
Journal of Clinical Virology. 29, pp. 2609–2613.
(1991). Kinetics of Death of Salmonellae during Thermal Liquid Manure Disinfection.
Journal of Veterinary Medicine Series B-Zentralblatt Fur Veterinarmedizin Reihe B-Infectious Diseases and Veterinary Public HealthJournal of Veterinary Medicine Series B-Zentralblatt Fur Veterinarmedizin Reihe B-Infectious Diseases and Veterinary Public H. 38, pp. 561-574.
(1991). The logistics of the Roman army in the Jewish War.
Columbia University. Ann Arbor.
(1991). Microbiological performance of multi-stage stabilization ponds for effluent use in agriculture.
Water Science and Technology. 23, pp. 1517–1524.
(1991). Modeling the risk from Giardia and viruses in drinking water.
J.mAmerican Water Works Association. 83, pp. 76-84.
(1991). Modeling the risk from Giardia and viruses in drinking water.
Journal American Water Works Association. 83, pp. 76–84.
(1991). Modelling the environmental fate of microorganisms.
American Society for Microbiology.
(1991). Morphological and staining characteristics of a Cyanobacterium-like organism associated with diarrhea.
The Journal of Infectious Diseases. 164, pp. 199–202.
(1991). Non conventional sewerage in developing countries.
Loughborough University (United Kingdom). Ann Arbor.
(1991). The nutritional impact of an integrated rural development project in Haiti: A quasi-experimental study.
Cornell University. Ann Arbor.
(1991). Occurrence of Blastocystis sp. in pigs.
Folia Parasitologica. 38, pp. 297–301.
(1991). Occurrence of Giardia and Cryptosporidium spp. in surface water supplies.
Applied and Environmental Microbiology. 57, pp. 2610–2616.
(1991). Oral immunisation against typhoid fever in Indonesia with Ty21a vaccine.
LancetLancet. 1991/10/26 ed.338, pp. 1055-9.
(1991). Parásitos intestinales del tepezcuinte, Agouti paca (Rodentia: Dasyproctidae) en Costa Rica.
Revista de Biología Tropical. 39, pp. 173-176.
(1991). Parasitoses intestinales chez les habitants d´un archipel Equatorien.
Bulletin of the Scandinavian Society for Parasitology. 9, pp. 219–223.
(1991). Poliomyelitis in Oman.
Lancet. 338, pp. 1330–1.
(1991). Poliomyelitis in Oman.
Lancet. 338, pp. 1330–1.
(1991). Prediction of nearshore currents using a second-order turbulence model.
University of Michigan. Ann Arbor.
(1991). Prevention of surface-to-human transmission of rotaviruses by treatment with disinfectant spray.
Journal of clinical microbiology. 29, pp. 1991–1996.
(1991). Protection of gerbils from amebic liver abscess by immunization with the galactose-specific adherence lectin of Entamoeba histolytica.
Infect Immun. 59, pp. 97–101.
(1991). Protein and antigen profiles of prevalent serovars of Leptospira interrogans.
Infect Immun.Infect Immun.. 59, pp. 1772-1777.
(1991). A randomized trial to evaluate the risk of gastrointestinal disease due to consumption of drinking water meeting current microbiological standards.
American journal of public health. 81, pp. 703–708.
(1991). Reduction of transmission of shigellosis by control of houseflies (Musca domestica).
Lancet. 337, pp. 993–7.