00417nam a22001217a 4500008004100000020001500041040005500056080001500111245012100126260002600247300001000273650001200283230606b        |||||||| |||| 00| 0 eng d  a9241580194  aNational Science LibrarycNational Science Library  a614.4 bN6  aInternational travel and health: bVaccination requirements and health advice, situation as on 1 January 1996c/ WHO  aGeneva: bWHO, c1996  a104p.  aScience