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![Cover for Robert B. Johnston · Attention Deficits, Learning Disabilities, and Ritalin (TM): A Practical Guide (Paperback Book) [2nd ed. 1991 edition] (1991)](https://imusic.b-cdn.net/images/item/original/605/9780412468605.jpg?robert-b-johnston-1991-attention-deficits-learning-disabilities-and-ritalin-tm-a-practical-guide-paperback-book&class=scaled&v=1493618401)