| #2021 | Journal of critical care. -- Orlando : Grune & Stratton, 1986-. -- ISSN 0883-9441 print. -- ISSN 1557-8615 online |
| #2022 | Journal of Crohn's and colitis. -- Oxford : Elsevier, 2007-. -- ISSN 1873-9946 online |
| #2023 | Journal of Crohn's and colitis supplements. -- Oxford : Elsevier Science, 2007-. -- ISSN 1873-9954 print. -- ISSN 1876-4460 online |
| #2024 | Journal of cutaneous pathology. -- Copenhagen : Blackwell, 1974-. -- ISSN 0303-6987 print. -- ISSN 1600-0560 online |
| #2025 | Journal of cystic fibrosis. -- Amsterdam : Elsevier Science, 2002-. -- ISSN 1569-1993 print. -- ISSN 1873-5010 online |
| #2026 | Journal of dental research. -- Washington : American Association for Dental Research, 1919-. -- ISSN 0022-0345 print. -- ISSN 1544-0591 online |
| #2027 | Journal of dental sciences. -- Taipei : Council on Publication of the Association for Dental Sciences of the Republic of China, 2006-. -- ISSN 1991-7902 |
| #2028 | Journal of dentistry. -- Bristol : J. Wright, 1972-. -- ISSN 0300-5712 print. -- ISSN 1879-176X online |
| #2029 | Journal of dentistry for children. -- Chicago : American Society of Dentistry for Children, 1940-1968. -- ISSN 0022-0353 |
| #2030 | Journal of dermatological science. -- Amsterdam : Elsevier, 1990-. -- ISSN 0923-1811 print. -- ISSN 1873-569X online |