| #871 | Cleveland Clinic journal of medicine. -- Cleveland : Cleveland Clinic Educational Foundation, 1987-. -- ISSN 0891-1150 print. -- ISSN 1939-2869 online |
| #872 | Cleveland Clinic quarterly. -- Cleveland : Cleveland Clinic Educational Foundation, 1932-1986. -- ISSN 0009-8787 |
| #873 | Climacteric. -- Carnforth : Parthenon, 1998-. -- ISSN 1369-7137 print. -- ISSN 1473-0804 online |
| #874 | Clinica chimica acta. -- Amsterdam : Elsevier, 1956-. -- ISSN 0009-8981 print. -- ISSN 1873-3492 online |
| #875 | Clinical acupuncture and oriental medicine. -- Edinburgh : Harcourt, 1999-. -- ISSN 1461-1449 print. -- ISSN 1476-9417 online |
| #876 | Clinical Allergy. -- Oxford : Blackwell Scientific Publications, 1971-1988. -- ISSN 0009-9090 |
| #877 | Clinical and applied immunology reviews. -- New York : Elsevier Science, 2000-2006. -- ISSN 1529-1049 print. -- ISSN 1878-5441 online |
| #878 | Clinical and experimantal nephrology. -- Amsterdam : Elsevier, 1997-. -- ISSN 1342-1751 print. -- ISSN 1437-7799 online |
| #879 | Clinical and experimental allergy. -- Oxford : Blackwell Scientific, 1989-. -- ISSN 0954-7894 print. -- ISSN 1365-2222 online |
| #880 | Clinical and experimental dermatology. -- Oxford : Blackwell Scientific, 1976-. -- ISSN 0307-6938 print. -- ISSN 1365-2230 online |