In the descriptive models there is Gorski's Cenaps model which pays particular attention to post-acute withdrawal symptoms and the relapse prevention model for cocaine users of Wallace tailoring relapse prevention for this population. Drug-specific protocols include specific plans for treating alcoholism, marijuana, and cocaine. Finally, integrated outpatient models include Recovery and Self-Help Training, Washton's Intensive Outpatient Model, and the Matrix Neurobehavioral Model. Their similarities include the common goal of preventing relapse through education, assessment, and individualized plans that support change and maintenance of recovery. Weaknesses include that some of the prevention plans are limited to specific medications, but this is also a strength as various medications affect people differently, such as a crack cocaine addict versus an alcoholic. A particular strength is found in Gorski's Cenaps Model as it specifically covers post-acute withdrawal symptoms that can occur during withdrawal and the process and relapse (Rawson, Obert, McCann, & Marinelli-Casey,