TY - RPRT TI - Assessing methylphenidate preference in ADHD patients using a choice procedure. AU - Emily MacDonald Fredericks AU - Scott H Kollins PY - 2004 DO - 10.1007/s00213-004-1838-2 UR - https://pubmed.ncbi.nlm.nih.gov/15258716/ ID - 15258716 ER -