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oa South African Medical Journal - Surveilance of poliomyelitis, United States, 1956

Volume 31, Issue 28
  • ISSN : 0256-9574

 

Abstract

The experience in the United States during 1956 shows that poliomyelitis vaccine has been safe and effective.

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/content/m_samj/31/28/AJA20785135_45395
1957-07-01
2016-12-09

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