Wikipedia says "However, within a short amount of time both drugs fell out of clinical use due to toxicity concerns"
But I can't find anything else. What caused the concerns? Because I can't find anything about aMT being toxic in such small doses.
But I can't find anything else. What caused the concerns? Because I can't find anything about aMT being toxic in such small doses.

I can see the big fat smiles on their faces already.