cancer and the immune system

i am looking for someone to write 400 - 600 word articles related to the subject of 'the immune system and cancer'. the articles must be original to be completed within 10 calendar days upon selection. i will provide the keywords for you to write the articles if the work is good, i will leave great feedback and would be very likely use you on a recurring basis. ## Deliverables 1) all articles must be original and good enough to be published. all articles will be checked against duplicate content using copyscape and other software. 2) good grammar and spelling 3) focus around the keywords given 4) knowledge of keyword density is a must 5) deliver article in microsoft word