| Literature DB >> 13697704 |
Abstract
Entities:
Keywords: BARIUM SULFATE; GASTROINTESTINAL SYSTEM/radiography; GERIATRICS
Mesh:
Substances:
Year: 1961 PMID: 13697704 PMCID: PMC1954406 DOI: 10.1136/bmj.1.5242.1799
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447