ADHD Attention Deficit and Hyperactivity Disorders, 9(2), 121-127 ADHD Attention Deficit and Hyperactivity Disorders 9(2), 121-127 (2017). doi:10.1007/s12402-017-0219-8 ADHD Attention Deficit and Hyperactivity Disorders, 9(2), 121-127. Springer Wien Attention Deficit and Hyperactivity Disorders, 9, 121-127 Geissler, J M, Schulte, C, Berg, D & International Parkinson Disease Genomics Consortium members 2017, ' No genetic association between attention-deficit/hyperactivity disorder (ADHD) and Parkinson’s disease in nine ADHD candidate SNPs ', ADHD Attention Deficit and Hyperactivity Disorders, vol. 9, no. 2, pp. 121-127 . https://doi.org/10.1007/s12402-017-0219-8 Attention Deficit and Hyperactivity Disorders, 9, 2, pp. 121-127