]
(1991). Seroprevalence of helicobacter pylori infection in couples.
J. Clin. Microbiol.. 29, pp. 642–644.
(1991). Shuttle cloning and nucleotide sequences of Helicobacter pylori genes responsible for urease activity.
Journal of Bacteriology. 173, pp. 1920–1931.
(1991). Shuttle cloning and nucleotide sequences of Helicobacter pylori genes responsible for urease activity.
Journal of Bacteriology. 173, pp. 1920–1931.
(1991). Significance of several bacteriophage groups as indicators of sewage pollution in marine waters.
Water Research. 25, pp. 673–678. doi: 10.1016/0043-1354(91)90042-O.
(1991). Solute transport across surfactant-laden interfaces: Development of a novel interferometric technique for measuring interfacial resistance.
Massachusetts Institute of Technology. Ann Arbor.
(1991). A Study of Campylobacter in Sewage, Sewage Sludge and in River Water.
Water Science and Technology. 24, pp. 117.
(1991). Survey of potable water supplies for Cryptosporidium and Giardia.
Environmental Science and Technology. 25, pp. 1393–1400.
(1991). Survival and vehicular spread of human rotaviruses: possible relation to seasonality of outbreaks.
Review of Infectious Diseases. 13, pp. 448 – 461.
(1991). Survival of pathogenic micro-organisms and parasites in excreta, manure and sewage sludge.
Revue scientifique et technique (International Office of Epizootics). 10, pp. 813–846.
(1991). Threshold of detection of Cryptosporidium oocysts in human stool specimens: evidence for low sensitivity of current diagnostic methods.
Journal of Clinical Microbiology. 1991/07/01 ed.29, pp. 1323-7.
(1991). Town and gown, analysis of relationships: Black Hills State University and Spearfish, South Dakota, 1883 to 1991.
Iowa State University. Ann Arbor.
(1991). Treatment of 119 cases with biliary ascariasis with decoction of Artemisia capillariens and Coptis chinensis.
Tianjin Journal of Traditional Chinese Medicine. 22, pp. 9–10.
(1991). Upper respiratory tract infections in young children: duration of and frequency of complications.
Pediatrics. 87, pp. 129–133.
(1991). Urban services in the National Cities of India: organization, financing, planning and delivery.
University of Sheffield (United Kingdom). Ann Arbor.
(1991). Use of colloid filtration theory in modeling movement of bacteria through a contaminated sandy aquifer.
Environmental Science and Technology. 25, pp. 178–185.
(1991). Use of colloid filtration theory in modeling movement of bacteria through a contaminated sandy aquifer.
Environmental science & technology. 25, pp. 178–185.
(1991). Using linear and polynomial models to examine the environmental stability of viruses.
Modeling {The} {Environmental} {Fate} of {Microorganisms}. (Hurst, C..J., ed.). American Society for Microbiology. pp. 137–159.
(1991). Using linear and polynomial models to examine the environmental stability of viruses.
Modeling The Environmental Fate of Microorganisms. (Hurst, C..J., ed.). American Society for Microbiology. pp. 137-159.
(1991). Utilisation de l’espace par les hôtes du ténia multiloculaire (Echinococcus multilocularis): conséquences épidémiologiques.
Université de Bourgogne. Besançon.
(1991). The value of groundwater protection: Measurement of willingness-to-pay information, and its utilization by local government decisionmakers.
Cornell University. Ann Arbor.
(1991). Water consumption and recycling of grey water in Cyprus.
Polytechnic of Wales (United Kingdom). Ann Arbor.
(1991). Water consumption and recycling of grey water in Cyprus.
Polytechnic of Wales (United Kingdom). Ann Arbor.
(1991). Water quality for potable reuse.
Water Science and Technology. 23, pp. 2171–2180.
(1991). Waterborne outbreak of Escherichia coli O157.
Lancet (London, England). 337, pp. 1412.
(1991). Waterborne outbreak of Escherichia coli O157.
Lancet (London, England). 337, pp. 1412.