na INLIS000000000051525 eng 0010-0617010417 Oral pathology for the dental hygienist Olga A. C. Ibsen Ibsen, Olga A. C. 2nd ed. W. B. Saunders, 1996 xxvii, 490 p. : il. 24 cm. 0721660517 617.601 Ibs o 617.601 DENTAL HYGIENISTS 089497212