I am curious about the nature of how human blood is obtained for the
purpose of study.
I am aware that various entities, such as blood banks and the VA, draw
blood for specific purposes with respect to their patients, donors,

It's a bit of a long shot posting here, but I'm hoping there a some
old timers / lurkers who can help me out.
I had a case the other night where someone came into ER with 70 hgb
and a previous history of anti-e.