WHO announces 50% decline in poliomyelitis cases worldwide

none 10.1007/BF01624625

Springer Science and Business Media LLC

Springer-Verlag

297

16517707

38798

20050501030810

10.1007

2019-05-08T10:51:54Z

2005-05-01T01:08:29Z

Sozial- und Präventivmedizin SPM Soz Präventivmed 0303-8408 1420-911X 5 1992 37 3 WHO announces 50% decline in poliomyelitis cases worldwide World Health Organization 5 1992 142 142 BF01624625 http://www.springer.com/tdm 10.1007/BF01624625 20050501030810 http://link.springer.com/10.1007/BF01624625 http://link.springer.com/content/pdf/10.1007/BF01624625 http://link.springer.com/content/pdf/10.1007/BF01624625.pdf http://link.springer.com/article/10.1007/BF01624625/fulltext.html