| Literature DB >> 14299440 |
Abstract
Entities:
Keywords: EPIDEMIOLOGY; HISTORY; HISTORY OF MEDICINE, 18TH CENT.; MASSACHUSETTS; SMALLPOX; SMALLPOX VACCINE; VACCINATION
Mesh:
Substances:
Year: 1965 PMID: 14299440 DOI: 10.1001/archinte.1960.03860180064011
Source DB: PubMed Journal: Arch Intern Med ISSN: 0003-9926