RT Journal
A1 Cohen GJ
T1 EXpectations vs performance
JF Archives of Pediatrics & Adolescent Medicine
JO Archives of Pediatrics & Adolescent Medicine
YR 1999
FD January 1
VO 153
IS 1
SP 91
OP 92
DO 
UL http://dx.doi.org/
AB 
However, a technical error in the recommendations in Table 4, page 809, should be corrected. Lead and erythrocyte protoporphyrin levels should not be determined on serum samples. Because almost all of both substances are carried on or in the erythrocytes, whole-blood specimens should be tested.2- 3