TY  - RPRT
TI  - Disturbances in constructional ability.
AU  - D F Benson
AU  - M I Barton
PY  - 1970
DO  - 10.1016/s0010-9452(70)80034-x
UR  - https://pubmed.ncbi.nlm.nih.gov/5426574/
ID  - 5426574
ER  -