CONTENTS 



Page 



Materials and methods 1 



Passage of isotopes through the skin 



Strontium-89 • • 3 



Cesium- 137 • • • . 3 



Ruthenium - 106 3 



Penetration of isotopes into muscle tissue 



Strontium-89 4 



Cesium- 137 4 



Ruthenium - 106 5 



Summary 5 



Literature cited 5 



