@article{Qiu_1992,
title={PC12 cell neuronal differentiation is associated with prolonged p21ras activity and consequent prolonged ERK activity},
volume={9},
ISSN={0896-6273},
url={http://dx.doi.org/10.1016/0896-6273(92)90033-a},
DOI={10.1016/0896-6273(92)90033-a},
number={4},
journal={Neuron},
publisher={Elsevier BV},
author={Qiu,
Meng-Sheng and Green,
Steven H.},
year={1992},
month=oct,
pages={705–717} }