Because the method previously used was stained with silver. But now, do not use this method. So I'm not sure that this time you will be using pcr sequencing or fagment.
Because the original method used is dyed with silver color, but this method is not used now and then, so I'm not sure that this time you will use the fagment method of sequencing or PCR.
because I had used the same method is to dye with silver color, but now it does not use this method, so I wasn't sure if you will be using this method or fagment PCR sequencing