Before  the  August  2010  release  of   the   NCI
Thesaurus, concept "Tissue Culture Infection  Dose
50"  (Code  C67450)  was  mistakenly  merged  with
concept "50 Percent Cell Culture  Infective  Dose"
(Code C70534). C67450 (the "losing"  concept)  was
mistakenly  retired.  Both  concepts   have   been
restored  to  their  original   state,   and   are
reflected in publications with filenames  suffixed
"-Corrected".

The following corrected files have been  published
for the 10.10a release:

- Thesaurus_10.10a.OWL-Corrected.zip
- ThesaurusInf_10.10a.OWL-Corrected.zip
- Thesaurus_10.10a.FLAT-Corrected.zip
- subset_monthly_history_10.10a-Corrected.txt
- subset_cumulative_history_10.10a-Corrected.txt
- monthly_history_10.10a-Corrected.txt
- cumulative_history_10.10a-Corrected.txt