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

✍ Scribed by Tjeerd G Kimman; Marion P.G Koopmans; Harrie G.A.M van der Avoort

• Book ID: 117433001
• Publisher: Elsevier Science
• Year: 1999
• Tongue: English
• Weight: 93 KB
• Volume: 17
• Category: Article
• ISSN: 0264-410X
• DOI: 10.1016/s0264-410x(98)00214-x