| #691 | Clinical genetics. -- Copenhagen : Munksgaard, 1970-. -- ISSN 0009-9163 print. -- ISSN 1399-0004 online |
| #692 | Clinical chemistry. -- Baltimore : P.B. Hoeber, 1955-. -- ISSN 0009-9147 print. -- ISSN 1530-8561 online |
| #693 | Clinical chemistry and laboratory medicine. -- Berlin : Walter de Gruyter, 1998-. -- ISSN 1434-6621 |
| #694 | Clinical immunology. -- Orlando : Academic Press, 1999-. -- ISSN 1521-6616 print. -- ISSN 1521-7035 online |
| #695 | Clinical immunology and immunopathology. -- New York : Academic Press, 1972-1998. -- ISSN 0090-1229 print. -- ISSN 1090-2341 online |
| #696 | Clinical infectious diseases. -- Chicago : University of Chicago Press, 1992-. -- ISSN 1058-4838 print. -- ISSN 1537-6591 online |
| #697 | The Clinical investigator. -- Berlin : Springer, 1992-1994. -- ISSN 0941-0198 |
| #698 | Clinical journal of the American Society of Nephrology. -- Washington : American Society of Nephrology, 2006-. -- ISSN 1555-9041 print. -- ISSN 1555-905X online |
| #699 | Clinical kidney journal. -- Oxford : Oxford University Press, 2012-. -- ISSN 2048-8505 |
| #700 | Clinical laboratory. -- Heidelberg : Clin Lab Publications, 1996-. -- ISSN 1433-6510 |