S S Ellenberg. Show Affiliations »
Abstract
Mesh: See more » Clinical Trials as TopicLongitudinal StudiesPatient SelectionProspective StudiesRandom AllocationResearch DesignResearch SubjectsRetrospective StudiesTherapeutic Human Experimentation
Year: 1981 PMID: 7299974
Source DB: PubMed Journal: JAMA ISSN: 0098-7484 Impact factor: 56.272