Stockholm: ECDC; 2016. https://ecdc.europa.eu/sites/portal/files/media/en/publications/Publications/RRA-shortage-of-aP-containing-vaccines.pdf ][7: WHO Regional Office for Europe, Dealing with vaccine shortages: current situation and ongoing activities.
Estocolmo: ECDC; 2016. https://ecdc.europa.eu/sites/portal/files/media/en/publications/Publications/RRAshortageofaPcontainingvaccines.pdf ][7: Serviço Regional da OMS para a Europa Dealing with vaccine shortages: current situation and ongoing activities (Lidar com a escassez de vacinas: situação atual e atividades em curso).