https://www.ajc.com/lifestyles/health/charles-drew-doctor-was-pioneer-storing-blood/ZB8oouYKgzKAjySeFWDcKI/

http://archive.is/kEwUK

Charles Drew: Doctor was a pioneer in storing blood

https://www.nature.com/articles/s41598-018-36341-z

Cardioprotection from stress conditions by weak magnetic fields in the Schumann Resonance band