Daño causado por el uso de células madre de la sangre del cordón umbilical en EE. UU..

Al menos 17 patients in the United States last year were hospitalized after transfusion of cord blood stem cells . Se ha confirmado oficialmente una serie de infecciones bacterianas. Most of these people were treated in orthopedic and pain-relieving clinics, by chiropractors, and they were injected into the spine, knees and shoulders.