| Literature DB >> 10999913 |
E Hey1, I Chalmers.
Abstract
Keywords: Biomedical and Behavioral Research; National Health Service
Mesh:
Year: 2000 PMID: 10999913 PMCID: PMC1127867 DOI: 10.1136/bmj.321.7263.752
Source DB: PubMed Journal: BMJ ISSN: 0959-8138