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oa South African Medical Journal - Active immunization against poliomyelitis - a review

 

Abstract

Despite the recent unfortunate accidents with poliomyelitis vaccine in the USA, it is now possible to manufacture consistently a 'killed' formolized vaccine which can be proved by adequate tests, carried out on every batch before issue, to be safe beyond all reasonable doubt.

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/content/m_samj/29/36/AJA20785135_36448
1955-09-01
2016-12-04
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