Mladek G
Arztl Jugendkd. 1977 Jul;68(3):160-6.
A psychological method is described, which operates by demands on graphic reproductions. The method is able to screen mental retarded Preschool children. The screening of this children is necessary too, to find out psychopathological defects. In the age between 5;8 and 6;10 years 345 children were tested and 199 disorders were demonstrable.