PT - JOURNAL ARTICLE AU - J. Lexchin TI - Use of methylphenidate for attention deficit hyperactivity disorder DP - 1991 May 15 TA - Canadian Medical Association Journal PG - 1209a--1210 VI - 144 IP - 10 4099 - http://www.cmaj.ca/content/144/10/1209a.short 4100 - http://www.cmaj.ca/content/144/10/1209a.full SO - CMAJ1991 May 15; 144