Articles for Anxiety Disorders Site

I am looking for some one to write articles related to the list of various keywords relating to anxiety/anxiety disorders. • I will provide the keyword sets and key word density ranges. These articles for creating content are rich pages on anxiety disorders and related websites designated to provide the sufferers and other people with useful and complete information on the causes of pain and illness related to anxiety and purposed to improve search engine rankings for the entire site. I am interested in creating 100-150 one page articles, ranging between 400 to 800 words, which will contain various keyword sets that will be identified by me. The project price is dependent on the quantity of articles or the size of the collection. I am willing to pay $5 per article, with a 10 article minimum ($50/ 10 articles). Applicable copyright laws to be adhered to as articles must be publishable as original content. Each article will be matched against the existing ones through the "Copyscape" program, for the purpose of eliminating the possibility of plagiarism. The job needs to be completed in 7 days (10 articles).