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From Biocourse
| Title | Publisher | ISSN | 제공년도 | Subject |
| Oncogene & Oncogene Reviews | Nautre Publishing Group | 0950-9232 | Jan 1997 | Natural History. Biology |
| Operative Techniques in General Surgery | Elsevier | 1524-153X | 31-Dec-03 | Medicine |
| Operative Techniques in Neurosurgery | W.B. Saunders | 1092-440X | 31-Mar-03 | Medicine |
| Operative Techniques in Orthopaedics | W.B. Saunders | 1048-6666 | 01-Jan-95 | Medicine |
| Operative Techniques in Otolaryngology-Head and Neck Surgery | W.B. Saunders | 1043-1810 | 31-Dec-02 | Medicine |
| Operative Techniques in Plastic and Reconstructive Surgery | W.B. Saunders | 1071-0949 | 28-Feb-03 | Medicine |
| Operative Techniques in Sports Medicine | W.B. Saunders | 1060-1872 | 01-Oct-96 | Medicine |
| Operative Techniques in Thoracic and Cardiovascular Surgery | W.B. Saunders | 1522-2942 | 30-Jun-04 | Medicine |
| Ophthalmology | Elsevier | 0161-6420 | 01-Jan-98 | Medicine |
| Opportunistic Pathogens | Elsevier | 1386-2618 | 31-Mar-95 | Medicine |
| Option/Bio | Elsevier | 0992-5945 | 31-Jan-97 | Life Sciences |
| Oral Oncology | Pergamon | 1368-8375 | 31-Jan-95 | Medicine |
| Oral Oncology Extra | Elsevier | 1741-9409 | 31-Jan-04 | Medicine |
| Origins of Life and Evolution of the Biosphere | Kluwer Academic Publishers | 0169-6149 | 1997 | Natural History. Biology |
| Osteoarthritis and Cartilage | W.B. Saunders | 1063-4584 | 31-Jan-98 | Medicine |
| Otolaryngology - Head and Neck Surgery | Mosby | 0194-5998 | 30-Apr-99 | Medicine |
