Ending polio immunization: when and how are we sure that...

Vaccine 1999 Vol. 17; Iss. 7-8

Ending polio immunization: when and how are we sure that the needle is out of the haystack?

Tjeerd G Kimman, Marion P.G Koopmans, Harrie G.A.M van der Avoort
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Volume:
17
Year:
1999
Language:
english
DOI:
10.1016/s0264-410x(98)00214-x
File:
PDF, 93 KB
english, 1999
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