phospholipid separation method

[zinchenk at com2com.ru]

Hello all,
I am looking for the method of phospholipid separation.
I want to do it without HPLC, only by SEP-PAK column and
TLC. We need to make quantitave balans of radioactive PC,PE,
PS,PI,LPC,CL and PA.
I will be gratefull for any help.
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