let’s start by checking in our backyard!!!!
😃😃
it’s behind a paywall
I added another link. But the core concept is that there is scarcity but actinium is being used more and more!
Astatine is a better choice than Actinium. It can be made as needed onsite using a small cyclotron. Actinium is harder to source. But there are several providers gearing up to make it in quantity. By the time these new therapies are fully approved there may be a decent supply chain in place in some countries.