00443nam a22001337a 4500008004100000020001800041040005500059080002100114245008500135260004800220300001000268650001300278653001800291230606b        |||||||| |||| 00| 0 eng d  a92-4-156091-6  aNational Science LibrarycNational Science Library  a616.988.7(6)bM6  aPrevention and control of yellow fever in Africa c/ World Health Organization,   aGeneva: bWorld Health Organization, c1986  a94p.   aDisease   aYellow fever