1994. Surveillance of poliomyelitis: Lessons learnt from the 1992/1993 outbreak in the Netherlands : report on a WHO meeting, Bilthoven 22-23 june 1993. Copenhagen: WHO.
Citáce podľa APA (7th ed.)(1994). Surveillance of poliomyelitis: Lessons learnt from the 1992/1993 outbreak in the Netherlands : report on a WHO meeting, Bilthoven 22-23 june 1993. WHO.
Citácia podle Chicago (17th ed.)Surveillance of Poliomyelitis: Lessons Learnt from the 1992/1993 Outbreak in the Netherlands : Report on a WHO Meeting, Bilthoven 22-23 June 1993. Copenhagen: WHO, 1994.
Citácia podľa MLA (8th ed.)Surveillance of Poliomyelitis: Lessons Learnt from the 1992/1993 Outbreak in the Netherlands : Report on a WHO Meeting, Bilthoven 22-23 June 1993. WHO, 1994.
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