Any know a really good research data base?

I’m currently working on a research paper on vocal health issues, and I’ve been scouring the internet for good sources of information. i have a found a few that i can work with, but i’m wondering if there is a site that can make looking for information easier with sources cited and what not.

do any of you know a good site for this, or know where i can find a bunch of info on the subject of vocal health

inb4: Google