The effect of polyoma virus, serum factors, and dibutyryl cyclic AMP on dihydrofolate reductase synthesis, and the entry of quiescent cells into S phase.
Gudewicz TM, Morhenn VB, Kellems RE. The effect of polyoma virus, serum factors, and dibutyryl cyclic AMP on dihydrofolate reductase synthesis, and the entry of quiescent cells into S phase. J Cell Physiol. 1981 Jul; 108(1):1-8.