![In Our Opinion: Raising the Line of Epithelial Attachment and Increasing Depth of Clinical Root]()
In Our Opinion: Raising the Line of Epithelial Attachment and Increasing Depth of Clinical RootLeonard, Harold J.; Blass, J. Lewis; Chaikin, Bernard S.; Coolidge, Edgar D.; Fischer, Edward; Friedlander, J. S.; Beube, Frank E.; Glickman, Irving; Goldman, Henry M.; Hirschfeld, Leonard S.; Kirkland, Olin; Orban, Balint; Ray, Harold G.; Themann, William A. · Journal of Periodontology · 1950