//-->
Childhood infectious diseases in LDCs : immunization program design and evaluation using demographic-epidemiologic models
John, A. Meredith, (1990)
Decentralization and public services: the case of immunization
Khaleghian, Peyvand, (2003)
Making combination vaccines more accessible to low-income countries : the antigen bundle pricing problem
Proano, Ruben A., (2012)