The article you requested is

Methamphetamine-Associated Obsessional Symptoms and Effective Risperidone Treatment: A Case Report

J Clin Psychiatry 1999;60(5):337-338 [letter]
10.4088/JCP.v60n0512d

Letter to the Editor

Sir: Methamphetamine psychosis is induced by long-term use of methamphetamine and easily reactivated by reuse of the drug or under stress. For the last 2 decades, anxiety disorder– like symptoms have emerged as one of methamphetamine-associated mental problems. However, treatment strategies for these symptoms have yet to be established.