| Literature DB >> 13293587 |
J A TAYLOR, G R ELLIOT, A J NELSON.
Abstract
Entities:
Keywords: POLIOMYELITIS/prevention and control; VACCINES AND VACCINATION
Mesh:
Substances:
Year: 1956 PMID: 13293587
Source DB: PubMed Journal: Can J Public Health ISSN: 0008-4263