Updated versions of their books and medical journals, or even a stackoverflow-like platform where they could discuss and read answers would be magnitudes better.
Maybe humans memorizing tons of information was the best approach for medicine a century ago, but it's not the case anymore
Uh, what is an education other than absorption and integration of information? If they haven't learned (i.e. memorized) a large quantity of information as part of their extensive education to guide them, they have zero chance of "being able to decide which information can be considered good" by definition.
Personally, I would like to see a doctor searching a site made for doctors. Seeing one just do an actual generic online search would not give me much confidence.
As engineers we do it all the time (sometimes subconsciously) when searching for technical documentation. Having that skill in other fields would be a godsend, but the next best thing would be to have someone else do it on our behalf.