At the first to search the journal, i opened google website and then i type “electronic journals and periodicals”. There is a lot of link and i choose “electronic journals and periodicals in psychology and related fields”. After that, appear a lot of journal, and i tried to open “the american journal of psychiatry”. Next, i type the keyword about “depression” in the coloumn quick search, and in one minute appear again a new page. i found a lot of topics, and i choose one of them ” The Construct of Minor and Major Depression in Alzheimer’s Disease “, the link is