TY - GEN AU - Cahn,D A AU - Sullivan,E V AU - Shear,P K AU - Pfefferbaum,A AU - Heit,G AU - Silverberg,G TI - Differential contributions of cognitive and motor component processes to physical and instrumental activities of daily living in Parkinson's disease SN - 0887-6177 PY - 2003///1212 N1 - Publication Type: Journal Article ER -