Academic journal article Environmental Health Perspectives

Corrections and Clarifications

Academic journal article Environmental Health Perspectives

Corrections and Clarifications

Article excerpt

In the article by Todd, "Calculating Bone-Lead Measurement Variance" [EHP 108:383-386 (2000)], two entries in Table 2 were incorrect. The corrected table is shown below.

Table 2. The contribution to an expression for the covariance from two terms, [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII], expressed as a percentage of Equation Todd 1 and derived from the data of Gordon et al. (3).

                            Human subject B(a)

Covariance            [Alpha]2               [Beta]1

[MATHEMATICAL
EXPRESSION NOT
REPRODUCIBLE
IN ASCII]
  [Alpha]1              98.7                  98.5
  [Alpha]2                -                   99.3
  [Beta]1                 -                     -

[MATHEMATICAL
EXPRESSION NOT
REPRODUCIBLE
IN ASCII]
  [Alpha]1       3.715 x [10.sup.-5]   3.708 x [10.sup.-5]
  [Alpha]2                -            8.598 x [10.sup.-6]
  [Beta]1                 -                     -

                 Human subject B(a)    Human subject C(a)

Covariance             [Beta]3              [Alpha]2

[MATHEMATICAL
EXPRESSION NOT
REPRODUCIBLE
IN ASCII]
  [Alpha]1              98.9                  98.4
  [Alpha]2              99.7                    -
  [Beta]1               99. … 
Search by... Author
Show... All Results Primary Sources Peer-reviewed

Oops!

An unknown error has occurred. Please click the button below to reload the page. If the problem persists, please try again in a little while.