[A survey of the use of ionizing radiation in Finland during the years 1900--62].
D003625:Data Collection; D005387:Finland; D011827:Radiation; D011839:Radiation, Ionizing; D011868:Radioisotopes; D011883:Radium
D011868:Radioisotopes; D011883:Radium
RADIATION; RADIOISOTOPES; RADIUM