Article from 19.03.2018 | Last changed: 20.03.2018
German Environmental Survey 1990-1992, GerES II
… years (238 children 6 to 14 years of age) Selection of adults: two stage sampling design with regard to community size, age, and gender. Selection of children: … R. Schwabe, M. Seiwert und W. Thefeld: Environmental Survey 1990/92, Vol. Ia: Study Design and Human Biomonitoring, Trace Elements in Blood and Urine of the German …