TY - RPRT TI - Peer interaction in a structured communication task: comparisons of normal and hyperactive boys and of methylphenidate (Ritalin) and placebo effects. AU - C K Whalen AU - B Henker AU - B E Collins AU - S McAuliffe AU - A Vaux PY - 1979 DO - 10.1111/j.1467-8624.1979.tb04120.x UR - https://pubmed.ncbi.nlm.nih.gov/487880/ ID - 487880 ER -