I need help writing a literature review base on my PICOT question which is: In critically ill adults in Intensive Care Unit do nurses who are trained...

In critically ill adults in Intensive Care Unit do nurses who are trained in pressure ulcer technique prevent pressure ulcer in critically ill patient.

P - Critically ill adults in ICU

I - Nurses who trained in pressure ulcers prevention

C- Nurses who do not receive prevention training

O - Reduction in pressure ulcers

T - 1- 6 months

I need articles that will help me write the literature review on this topic and the steps and what to focus on when writing literature review. Thanks and I hope to get help.