Format:
First three listed authors Last Names First and Middle Initials, et al. Article title.Abbreviated Name of Journal in italics. Publication Year;Volume Number(Issue Number):page numbers. doi number if available OR URL with date accessed.
Example:
Borissova AM, Djambazova A, Todorov, K, et al. Effect of erythropoietin on the metabolic state and peripheral insulin sensitivity in diabetic patients on haemodialysis. Nephrol Dial Transplant. 1993,8(1):93. http://ndt.oxfordjournals.org/content/8/1/93.1.long. Accessed March 16, 2012.