1. Cyclic GMP;Goldberg,1973
2. The role of cyclic AMP and calcium in cell activation;Rasmussen;Crit Rev Biochem,1972
3. The importance of calcium ions for the regulation of guanosine 3′,5′-cyclic monophosphate levels;Schultz,1973
4. The role of calcium in the release of neurotransmitter substances and hormones;Rubin;Pharmacol Rev,1970
5. A-23187: A divalent cation ionophore;Reed;J Biol Chem,1972