A compound attribute that is the ratio of amount of leucine-rich repeat transmembrane protein FLRT2 (human) in blood to amount of GDNF family receptor alpha-3 (human) in blood. The trait is OBA_2055255 (FLRT2/GFRA3 protein level ratio in blood). Also known as: the ratio of amount of leucine-rich repeat transmembrane protein FLRT2 (human) in blood to amount of GDNF family receptor alpha-3 (human) in blood.