| Literature DB >> 13697542 |
Abstract
Entities:
Keywords: BRONCHITIS/statistics; PNEUMONIA, PRIMARY ATYPICAL/statistics; PNEUMONIA/statistics; STUDENTS/diseases
Mesh:
Year: 1961 PMID: 13697542 DOI: 10.1056/NEJM196108312650901
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245