title: Radiation monitoring-methods and instruments. 1. Monitoring tasks and problems.
mesh_terms: D004739:England; D006801:Humans; D007391:International Cooperation; D007878:Legislation as Topic; D011829:Radiation Dosage; D011834:Radiation Monitoring; D011835:Radiation Protection; D011853:Radiobiology; D011867:Radioisotope Teletherapy; D011879:Radiotherapy Dosage