Sumerling, T Use of a simple body-monitoring system in a pilot study on workers exposed to unsealed gamma-ray emitting material. [electronic resource] - British journal of industrial medicine May 1980 - 189-93 p. digital Publication Type: Journal Article ISSN: 0007-1072 Standard No.: 10.1136/oem.37.2.189 doi Subjects--Topical Terms: Gamma RaysHumansPilot ProjectsRadiation Monitoring--methodsThyroid Gland--radiation effectsWhole-Body Counting