The guys with asbestosis, silicosis, and berylliosis did. There actually aren’t enough people dying of coal miner’s lung to allow good studies of it. Which is

The guys with asbestosis, silicosis, and berylliosis did. There actually aren’t enough people dying of coal miner’s lung to allow good studies of it. Which is too bad (Er... you know what I mean), because our treatments for it are subsequently based on arm-chair hypotheses rather than solid science.