R H Brook, M H Berg, P A Schechter. Show Affiliations »
Abstract
Entities: Disease Species
Mesh: See more » Chronic DiseaseEmergency Service, HospitalEvaluation Studies as TopicFollow-Up StudiesGastrointestinal Diseases/diagnosisGastrointestinal Diseases/diagnostic imagingGastrointestinal Diseases/therapyHumansMarylandQuality of Health CareRadiography
Year: 1973 PMID: 4694889 DOI: 10.7326/0003-4819-78-3-333
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391