[ConservativeMind]

For only 30% of those that get “to that point.”

For most of the rest, they need blood transfusions to get more working red blood cells into them to carry the O2 around.

[TexasGator]

“For only 30% of those that get “to that point.”
For most of the rest, they need blood transfusions to get more working red blood cells into them to carry the O2 around.”

Source?