ARMSTRONG, D M A simple method for determining the density of drops of urine, of blood and of plasma. [electronic resource] - Physics in medicine and biology Apr 1958 - 338-45 p. digital Publication Type: Journal Article ISSN: 0031-9155 Standard No.: 10.1088/0031-9155/2/4/303 doi Subjects--Topical Terms: BloodBody FluidsHumansPlasmaUrine