O. N. Johnson

An educational approach to voluntary improvement of dental radiological practices

S. Gibbs, C. Crabtree, O. N. Johnson, 1977 .

A study to develop a rating system and evaluate dental radiographs submitted to a third party carrier.

O. N. Johnson, R. Beideman, R. W. Alcox, 1976, Journal of the American Dental Association.

Essentials of Dental Radiography for Dental Assistants and Hygienists

O. N. Johnson, Wolf R. De Lyre, 1975 .