A compound attribute that is the ratio of amount of angiogenin (human) in blood to amount of retinoic acid receptor responder protein 2 (human) in blood. The trait is ANG/RARRES2 protein level ratio in blood (OBA_2054278). Also known as: the ratio of amount of angiogenin (human) in blood to amount of retinoic acid receptor responder protein 2 (human) in blood.