The American Psychiatric Association is a medical specialty society with over 38,000 member physicians working to ensure humane care and effective treatment for all persons with mental disorder, including mental retardation and substance-related disorders.
The APA is a scientific and professional organization that represents psychology in the United States. With 148,000 members, APA is the largest association of psychologists worldwide.
The National Institute of Mental Health (NIMH) is the largest scientific organization in the world dedicated to research focused on the understanding, treatment, and prevention of mental disorders and the promotion of mental health.
PubMed, provided by the National Library of Medicine, contains more than 30 million citations for biomedical literature and may include links to full-text content from PubMed Central and publisher web sites.
