Danzon, Patricia M., Nuno Sousa Pereira and Sapna Tejwani (2005); “Vaccine Supply: A Cross-National Perspective“, Health Affairs, 24(3), pp. 706-717.
Danzon, Patricia M., Nuno Sousa Pereira and Sapna Tejwani (2005); “Vaccine Supply: A Cross-National Perspective“, Health Affairs, 24(3), pp. 706-717.