1. Experimental pathology of the liver;Higgins;Arch Pathol,1931
2. Presence of diadenosine 5′,5″-P1,P4-tetraphosphate (Ap4A) in mammalian cells in levels varying widely with proliferative activity of the tissue: a possible positive “pleiotypic activator”;Rapaport,1976
3. Drastic rise of intracellular adenosine(5′)tetraphospho(5′)adenosine correlates with onset of DNA synthesis in eukaryotic cells;Weinmann-Dorsch;Eur J Biochem,1984
4. Diadenosine 5′,5″-P1,P4-tetraphosphate triggers initiation of in vitro DNA replication in baby hamster kidney cells;Grummt,1978
5. Diadenosine tetraphosphate triggers in vitro DNA replication;Grummt,1978