Oo, Aung Naing Small Session Size and Big Vial Size: Operational Research Assessing Open Vial Vaccine Wastage at the Service Delivery Points in the Mandalay Region of Myanmar During 2018. [electronic resource] - Tropical medicine and infectious disease Apr 2020 Publication Type: Journal Article ISSN: 2414-6366 Standard No.: 10.3390/tropicalmed5020060 doi