| #221 | Nucleic acid therapeutics. -- New Rochelle : Liebert, 2011-. -- ISSN 5159-3337 |
| #222 | Nucleic acids research. -- London : Oxford University Press, 1974-. -- ISSN 0305-1048 print. -- ISSN 1362-4962 online |
| #223 | Nucleosides & nucleotides : an international journal for rapid communication. -- New York : Taylor & Francis, 1982-1999. -- ISSN 0732-8311 |
| #224 | Nucleosides, nucleotides and nucleic acids. -- Monticello : Monticello, N.Y. : Marcel Dekker, 2000-. -- ISSN 1525-7770 print. -- ISSN 1532-2335 online |
| #225 | Oligonucleotides. -- Larchmont : Mary Ann Liebert, 2003-2011. -- ISSN 1545-4576 print. -- ISSN 1557-8526 online |
| #226 | Organic preparations and procedures international : the new journal for organic synthesis. -- Newton Highlands : Organic Preparations and Procedures, 1969-. -- ISSN 0030-4948 |
| #227 | Peptides : an international journal. -- New York : Pergamon, 1980-. -- ISSN 0196-9781 print. -- ISSN 1873-5169 online |
| #228 | Pharmacology & therapeutics : An International Review Journal. -- New York : Elsevier, 1975-. -- ISSN 0163-7258 print. -- ISSN 1879-016X online |
| #229 | Photochemical & photobiological sciences. -- Cambridge : Royal Society of Chemistry, 2002-. -- ISSN 1474-905X print. -- ISSN 1474-9092 online |
| #230 | Photochemistry and photobiology. -- Oxford : Blackwell Publishing, 1962-. -- ISSN 0031-8655 print. -- ISSN 1751-1097 online |