20 blog articles on drug and alcohol treatment for women

I need 20 blog articles written around a list of keywords and topics (will be provided to winning bidder) each article will be between 400-500 words. Requirements are as follows: 1. Each article must be 100% original (documents will be checked via copyscape) with proper U.S. English and grammar. 2. Each article needs to be easy flowing for the common reader with a 3-4% keyword density. 3. Each article needs a keyword relevant title 4. Articles will be in word .doc format saved with article title as file name. 5. I will own 100% rights to all articles. Dead line is 7 days i will require an additional 100 articles, and fast quality work will be awarded a long term project. Please provide a writing sample with your bid. all bids without a sample will not be considered!