EntityQ254035· pop 18ATRSign in to saveATR may refer to:Article7 sectionsContentsMedicineScience and mathematicsTechnologyTransportMusicOrganisationsOtherATR may refer to:==Medicine== Acute transfusion reaction Ataxia telangiectasia and Rad3 related, a protein involved in DNA damage repairRead full article (8 paragraphs)Connectionsblood transfusionEntityATR 72Entity