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Scandinavian Journal of Gastroenterology. Supplement|January 1, 1983
Epidemiology of travellers' diarrhoeaR SteffenSchweizerische Medizinische Wochenschrift|July 9, 1996
Vaccinations for travelers: new technology, new vaccines, new strategiesR SteffenThe Journal of Infectious Diseases|March 1, 1995
Hepatitis A in travelers: the European experienceR SteffenBulletin De La Societe De Pathologie Exotique (1990)|March 17, 1999
[Traveller's diarrhea: progress and lessons drawn from recent surveys]R SteffenSchweizerische Medizinische Wochenschrift. Supplementum|January 1, 1984
[Epidemiology of travel diarrhea]R SteffenTransactions of the Royal Society of Tropical Medicine and Hygiene|March 1, 1991
Travel medicine--prevention based on epidemiological dataR SteffenReviews of Infectious Diseases|January 1, 1990
Worldwide efficacy of bismuth subsalicylate in the treatment of travelers' diarrheaR SteffenArzneimittel-Forschung|January 1, 1979
[Special consideration of clinical and travelling medical criteria (author's transl)]R SteffenSchweizerische Medizinische Wochenschrift|May 17, 1986
[Accepted principles for the prevention and therapy of travelers' diarrhea]R SteffenPageof 37