| Literature DB >> 15395660 |
Abstract
Entities:
Keywords: CAFFEINE; ERGOT AND PREPARATIONS; HEADACHE
Mesh:
Substances:
Year: 1949 PMID: 15395660 DOI: 10.1056/NEJM194912082412303
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245