| #711 | Clinical oral implants research. -- Oxford : Blackwell, 1994-. -- ISSN 0905-7161 print. -- ISSN 1600-0501 online |
| #712 | Clinical orthopaedics and related research. -- Philadelphia : Lippincott, 1963-. -- ISSN 0009-921X print. -- ISSN 1528-1132 online |
| #713 | Clinical Osteology. -- Brno : : Facta Medica, s.r.o., 2018-. -- ISSN 2571-1326 |
| #714 | Clinical otolaryngology. -- Oxford : Blackwell, 1976-. -- ISSN 1749-4478 print. -- ISSN 1749-4486 online |
| #715 | Clinical otolaryngology and allied sciences. -- Oxford : Blackwell Scientific Publications, 1976-. -- ISSN 0307-7772 print. -- ISSN 1365-2273 online |
| #716 | Clinical pediatrics. -- Thousand Oaks : Sage Publications, 1962-. -- ISSN 0009-9228 print. -- ISSN 1938-2707 online |
| #717 | Clinical pharmacology and therapeutics. -- St. Louis : Mosby, 1960-. -- ISSN 0009-9236 print. -- ISSN 1532-6535 online |
| #718 | Clinical radiology. -- Harlow : Longman, 1960-. -- ISSN 0009-9260 print. -- ISSN 1365-229X online |
| #719 | Clinical rehabilitation. -- London : Arnold, 1987-. -- ISSN 0269-2155 print. -- ISSN 1477-0873 online |
| #720 | Clinical research. -- Thorofare : Slack, 1958-1994. -- ISSN 0009-9279 |