Section 19 of 21 · about 1 min read · updated October 2026
19Where to go next
The short version: The best places to keep going, none of them ours: the health agencies, regulators, researchers and sound projects behind this guide.
Not us, but great
The full shelf: 80 places to go deeper
Health agencies, regulators, researchers and sound projects we leaned on, with one honest line on each.