Sharp decline of worm infestation in Munsterland and its causes.
D001196:Ascariasis / Q000453:epidemiology; D005860:Germany, West; D006373:Helminthiasis / Q000453:epidemiology*; D006801:Humans; D010123:Oxyuriasis / Q000453:epidemiology*; D012722:Sewage; D013622:Taeniasis / Q000453:epidemiology; D014171:Transients and Migrants; D014257:Trichuriasis / Q000453:epidemiology
D012722:Sewage
Starker Rückgang der Verwurmung im Münsterland und seine Ursachen.