1. Replacement of nerve growth factor by ganglionic non-neuronal cells for the survival in vitro of dissociated ganglionic neurons;Burnham,1972
2. Regulation of adenosine-3',5'-monophosphate content in human astrocytoma cells by adenosine and the adenine nucleotides;Clark;J. biol. Chem.,1974
3. Regulation of adenosine-3',5'-cyclic monophosphate concentration in cultured human astrocytoma cells by catecholamines and histamine;Clark,1971
4. Activation and nuclear translocation of protein kinase during transsynaptic induction of tyrosine-3-monooxygenase;Costa,1976
5. Effect of catecholamines on cultured glial cells: correlation between cyclic AMP levels and lactic dehydrogenase induction;DeVellis,1972