Prevention of recurrent pterygium by beta radiation.
D001610:Beta Particles; D006801:Humans; D011625:Pterygium / Q000517:prevention & control*; D013324:Strontium; D013326:Strontium Radioisotopes
D013326:Strontium Radioisotopes; D013324:Strontium
PTERYGIUM/prevention and control; STRONTIUM/radioactive