Giardiasis in American travelers to the Soviet Union.
D003967:Diarrhea / Q000382:microbiology; D005243:Feces / Q000382:microbiology; D005516:Food Microbiology; D005872:Giardia / Q000302:isolation & purification; D005873:Giardiasis / Q000453:epidemiology*; D006801:Humans; D011795:Surveys and Questionnaires; D013997:Time Factors; D014195:Travel; D014586:USSR; D014481:United States; D014871:Water Microbiology