| #41 | City & community. -- Malden : Blackwell, 1997-. -- ISSN 1535-6841 print. -- ISSN 1540-6040 online |
| #42 | Clinical and experimental pharmacology and physiology. -- Oxford : Blackwell, 1974-. -- ISSN 0305-1870 |
| #43 | Clinical and laboratory haematology. -- Oxford : Blackwell, 1979-2006. -- ISSN 0141-9854 print. -- ISSN 1365-2257 online |
| #44 | Clinical microbiology and infection. -- Oxford : Blackwell, 1995-. -- ISSN 1198-743X print. -- ISSN 1469-0691 online |
| #45 | Clinical oral implants research. -- Oxford : Blackwell, 1994-. -- ISSN 0905-7161 print. -- ISSN 1600-0501 online |
| #46 | Clinical otolaryngology. -- Oxford : Blackwell, 1976-. -- ISSN 1749-4478 print. -- ISSN 1749-4486 online |
| #47 | Clinical physiology. -- Oxford : Blackwell, 1981-2001. -- ISSN 0144-5979 print. -- ISSN 1365-2281 online |
| #48 | Clinical physiology and functional imaging. -- Oxford : Blackwell, 2002-. -- ISSN 1475-0961 print. -- ISSN 1475-097X online |
| #49 | CNS drug reviews. -- Malden : Blackwell, 1995-2007. -- ISSN 1080-563X print. -- ISSN 1527-3458 online |
| #50 | CNS neuroscience & therapeutics. -- Oxford : Blackwell, 2008-. -- ISSN 1755-5930 print. -- ISSN 1755-5949 online |