| #41 | Indoor + built environment : the journal of International society of the built environment. -- Basel : Karger, 1996-. -- ISSN 1420-326X |
| #42 | International journal of epidemiology. -- Oxford : Oxford University Press, 1972-. -- ISSN 0300-5771 print. -- ISSN 1464-3685 online |
| #43 | International journal of systematic and evolutionary microbiology. -- Reading : Society for General Microbiology, 2000-. -- ISSN 1466-5026 print. -- ISSN 1466-5034 online |
| #44 | International travel and health. -- Geneva : World Health Organization, 1989-. -- ISSN 1020-0169 print. -- ISSN 1999-4842 online |
| #45 | Journal of antimicrobial chemotherapy. -- London : Academic Press, 1975-. -- ISSN 0305-7453 print. -- ISSN 1460-2091 online |
| #46 | Journal of Biochemistry. -- Tokyo : Japanese Biochemical Society, 1922-. -- ISSN 0021-924X print. -- ISSN 1756-2651 online |
| #47 | Journal of clinical microbiology. -- Washington : American Society for Microbiology, 1975-. -- ISSN 0095-1137 print. -- ISSN 1098-660X online |
| #48 | Journal of clinical virology. -- Amsterdam : Elsevier, 1998-. -- ISSN 1386-6532 print. -- ISSN 1873-5967 online |
| #49 | The Journal of hospital infection. -- London : W.B. Saunders, 1980-. -- ISSN 0195-6701 print. -- ISSN 1532-2939 online |
| #50 | The Journal of infectious diseases. -- Chicago : University of Chicago Press, 1904-. -- ISSN 0022-1899 print. -- ISSN 1537-6613 online |