| 1. | Still , from 1990 to 1996 , major reviews of scientific studies on the subject were conducted by the american medical association , the american psychological association , the american academy of pediatrics , the american academy of child and adolescent psychiatry and the national institute of mental health
另外在一九九到一九九六年间，美国医疗协会美国心理学协会美国小儿科学会美国儿童及青少年精神学会和国家心智健康协会，针对有关这个主题的科学研究做了许多大型的综合报告。 |
