I want to write a long introduction may be 2000 word that includes these points

I want to write a long introduction may be 2000 word that includes these points
Types of kidny stons Prevelance in world and in saudi Cellular change in patient with kidny stons Type of microrganism infection in kidny stone pateint
In the attached file this short introduction is added with the same references, with more words from the same references and other references are added to it that include the points above. All introduction with include paraphrasing and the order of references is in APA style .