1. Purinergic nerves;Burnstock;Pharmacol Rev,1972
2. A basis for distinguishing two types of purinergic receptor;Burnstock,1978
3. Purinoceptors: are there families of P2X and P2Y purinoceptors?;Abbracchio;Pharmacol Ther,1994
4. P2 purinoceptors: historical perspective and classification;Burnstock,1996
5. P2X receptors: cloned and expressed;Evans,1997