[Incidence of trichuriasis in the last 20 years].
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005500:Follow-Up Studies; D006801:Humans; D011044:Poland; D012189:Retrospective Studies; D012423:Rural Health; D014257:Trichuriasis / Q000453:epidemiology* / Q000517:prevention & control; D014504:Urban Health
Inwazje Trichodcephalus trichiurus po dwudziestu latach.