| Literature DB >> 17749594 |
Abstract
Entities:
Keywords: NUCLEOTIDES; PURINE AND PURINE BASES; PYRIMIDINES
Mesh:
Substances:
Year: 1949 PMID: 17749594 DOI: 10.1126/science.109.2833.377
Source DB: PubMed Journal: Science ISSN: 0036-8075 Impact factor: 47.728