Discuss the difference between external and internal evidence as it relates to your PICOT search strategy

Discuss the difference between external and internal evidence as it relates to your PICOT search strategy.

Address the strengths and weaknesses of searching in a database (e.g. CINAHL) versus a web-based (e.g. Google) search engine. You must use two databanks/databases mentioned in the text. Take a look at a new database you have never looked at and widen your perspective.