title: Proceedings of the 4th European Conference on Vaccinology: The Societal Value of Vaccination. Brighton, United Kingdom, 17-19 March 1999.
mesh_terms: D017281:Cost of Illness; D003362:Cost-Benefit Analysis; D019049:Developed Countries; D003906:Developing Countries; D006801:Humans; D014611:Vaccination / Q000191:economics