| Literature DB >> 1969539 |
J I Harper, S L Yang, A T Evans, F J Evans, J D Phillipson.
Abstract
Entities:
Mesh:
Substances:
Year: 1990 PMID: 1969539 DOI: 10.1016/0140-6736(90)90913-p
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321