Holecková E
Experientia. 1980 Oct 15;36(10):1196-7. doi: 10.1007/BF01976124.
Serum from rats exposed for 3 days to 5 degrees C stimulated the multiplication of mouse heteroploid and human and rat diploid cells in culture. The response of the cells to this unspecific growth stimulation was related to the growth capacities of the different cell types.