TY - RPRT TI - Rate-dependency and hyperactivity: methylphenidate effects on operant responding. AU - M D Rapport AU - G J DuPaul AU - N F Smith PY - 1985 DO - 10.1016/0091-3057(85)90133-9 UR - https://pubmed.ncbi.nlm.nih.gov/4034622/ ID - 4034622 ER -