WITHDRAWN: Reply to the letter of Soldin et al.
The Publisher regrets that this article is an accidental duplication of an article that has already been published, doi:10.1016/j.cca.2010.09.032. The duplicate article has therefore been withdrawn.
Anckaert
Ellen
E
Laboratory of Clinical Chemistry and Radio-immunology, UZ Brussel, Brussel, Belgium.
Poppe
Kris
K
Van Uytfanghe
Katleen
K
Schiettecatte
Johan
J
Foulon
Walter
W
Thienpont
Linda M
LM