T H Ng. Show Affiliations »
Abstract
Mesh: See more » HumansResearchResearch Design/statistics & numerical dataStatistics as Topic
Year: 1995 PMID: 8582153 DOI: 10.1016/0197-2456(95)00040-2
Source DB: PubMed Journal: Control Clin Trials ISSN: 0197-2456