List the Sequence of a Plasmapheresis Procedure

List the sequence of a plasmapheresis procedure. (Separate letters by a comma and space as follows: A, B, C, D)
A) Removal of whole blood in one arm
B) Circulation of blood through cell separator
C) Remainder of plasma returned through vein in opposite arm
D) Separation of plasma and its cellular components
E) Replacement of plasma with lactated Ringer
F) Removal of undesirable components