katre klow Hiking the Lycian Way in Turkey: How to See the Best Bits in 10 Days About the Founder: "From Country
Description
Start with 10% concentration and increase to 20% as your skin develops tolerance

doi: 10.1001/archsurg.1990.01410200104017

Stroke 53: 36883695, 2022
For instance, Spiegelhalder et al