Vaccination certificate requirements for international travel : situation as on 1 January 1983 : and health advice to travellers
World Health Organization
Bok Språk ikke angitt 1983
| Utgitt | Geneva : The Organization , 1983
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|---|---|
| Omfang | 70 s. : ill. + 1 kart
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| Emner | |
| ISBN | 9241580089
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