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Sozial- Und Praventivmedizin|September 1, 1980
[Poliomyelitis vaccination in infants in the canton of St. Gall]K Gschwend, F van der LindeSozial- Und Praventivmedizin|January 1, 1985
[Health education in St. Gall schools: experiences from a 6-year project]F van der Linde, P ZuberbühlerBulletin Der Schweizerischen Akademie Der Medizinischen Wissenschaften|March 1, 1979
[Anti-smoking activities in Switzerland and their evaluation]F van der Linde, T AbelinSozial- Und Praventivmedizin|December 1, 1978
[Improving the effectiveness of health education]F van der Linde, R Hornung, H Stricker, et al.Schweizerische Medizinische Wochenschrift|July 7, 1981
[Frequency of Escherichia coli resistance in Switzerland]R Braun, K Fitzi, F Gutzwiller, et al.Vaccine|January 1, 1993
Hepatitis A and hepatitis B: risks compared with other vaccine preventable diseases and immunization recommendationsR SteffenReviews of Infectious Diseases|May 1, 1986
Epidemiologic studies of travelers' diarrhea, severe gastrointestinal infections, and choleraR SteffenScandinavian 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 SteffenPageof 32