HRR means Hospital Referral Regions in
Hospitals
Similar to HRR
AAS - Androgenic Anabolic Steroids
AASM - American Academy of Sleep Medicine
AAT - Activities As Tolerated
AATD - Association Of Agencies For Treatment And Development
AATS - Air Ambulance Transfer System
AAU - Acute Assessment Unit
AAV - Adeno Associated Virus
View all in Hospitals