Ibsen, O. A. C., & Olga A.C. Ibsen; Joan Andersen Phelan. Oral pathology for the dental hygienist. St. Louis, Mo: Elsevier.

Ibsen, Olga A. C., و Olga A.C. Ibsen; Joan Andersen Phelan. Oral Pathology for the Dental Hygienist. St. Louis, Mo: Elsevier.

Ibsen, Olga A. C., و Olga A.C. Ibsen; Joan Andersen Phelan. Oral Pathology for the Dental Hygienist. St. Louis, Mo: Elsevier.