Abstract
Get full access to this article
View all access options for this article.
References
1.
Klein, H.
, and
Kramer, M.
A Dental Examination Record Form for Statistical Machine Tabulation , J. D. Res. , 27 :170 , 1948 .
2.
Pennell, E.H.
, and
Herman, S.S.
A Mark-Sense Card for Recording Dental Examination Findings , J. D. Res. , 31 :113 , 1952 .