May, J C The gravimetric method for the determination of residual moisture in freeze-dried biological products. [electronic resource] - Cryobiology Jun 1989 - 277-84 p. digital Publication Type: Journal Article ISSN: 0011-2240 Standard No.: 10.1016/0011-2240(89)90023-0 doi Subjects--Topical Terms: AnimalsFreeze Drying--methodsHumidityPreservation, BiologicalVaccines