| Literature DB >> 14318951 |
H B BOCK, C R HAYMAN, C TURNBULL.
Abstract
Keywords: PENNSYLVANIA; POLIOMYELITIS; STATISTICS; VACCINATION
Mesh:
Year: 1965 PMID: 14318951 PMCID: PMC1919650
Source DB: PubMed Journal: Public Health Rep ISSN: 0094-6214 Impact factor: 2.792