Some radiobiological problems of childhood.
D007554:Isotopes / Q000009:adverse effects*; D011883:Radium / Q000009:adverse effects*; D014965:X-Rays / Q000009:adverse effects*
D007554:Isotopes; D011883:Radium
ISOTOPES/injurious effects; RADIUM/injurious effects; ROENTGEN RAYS/injurious effects