Ann Intern Med. 1958 Sep;49(3):483-92. doi: 10.7326/0003-4819-49-3-483.
Annals of internal medicine
A D LANGMUIR
PMID: 13571835 DOI: 10.7326/0003-4819-49-3-483
[No abstract available.]
Keywords: INFLUENZA/epidemiology