Am J Hyg. 1948 Sep;48(2):133-46. doi: 10.1093/oxfordjournals.aje.a119229.
American journal of hygiene
C C DAUER
PMID: 18885739 DOI: 10.1093/oxfordjournals.aje.a119229
[No abstract available.]
Keywords: POLIOMYELITIS/age distribution