Ten percent cuts, of the current dose not the original. That is the arithmetic that keeps it survivable.

Reconstitution arithmetic is only half the problem. The other half is what was in the vial.

It gets smaller. Not easy, smaller. That distinction kept me going.

A plausible mechanism is not an outcome, and this class is the textbook example.

Three month limits are cumulative across parcels in more places than people realise.

Loose evidence is not nothing, but a washout either side is the only reason to trust your own take.