Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Hepatol. May 27, 2012; 4(5): 176-183
Published online May 27, 2012. doi: 10.4254/wjh.v4.i5.176
Table 2 Comparison of controlled rate freezer vs a polystyrene box in ordinary -70 °C freezer
FreshPSBCRFa
L175226
L2743822
L3834218
L4734037