Only pyrimidino receptors are functionally expressed in mouse neuroblastoma cell linesSak, Katrin; Webb, T.E.; Samuel, Külli; Kelve, Merike; Järv, J.Mol. cell. biol. res. comm1999 / p. 203-208 https://www.sciencedirect.com/science/article/abs/pii/S1522472499901344