Annotated bibilography on evidence based research-pressure ulcers

1-identify an aspect of professional practice related to their discipline.
2-locate 3 sources of evidence related to their chosen aspect of practice,each source must be located within a different level in the hierarchy of evidence as identified within the hierarchy of evidence based practice.
3-paraphase,discuss and debate each item of evidence in line with the definition of an annotated bibiliography. this is 500 words for each sourse of evidence