COVID-19 vaccines pricing policy options for low-income and middle- income countries
Guzman, Javier ; Hafner, Tamara ; Maiga, Lalla Arkia ; Giedion, Ursula
BMJ global health, 2021-03, Vol.6 (3), p.e005347
[Periódico revisado por pares]
England: BMJ Publishing Group LTD
Texto completo disponível