Astrid E Fletcher. Show Affiliations »
Abstract
Mesh: See more » BiasEpidemiologic StudiesEvidence-Based MedicineHumansObservation/methodsRandomized Controlled Trials as TopicResearch Design
Year: 2009 PMID: 19217953 DOI: 10.1016/j.ajo.2008.04.024
Source DB: PubMed Journal: Am J Ophthalmol ISSN: 0002-9394 Impact factor: 5.258