Now, polonium is not used in medical treatment.
The most common used isotope of polonium is polonium-210.
Any use for polonium in agriculture.
Polonium isotopes are not used as tracers.
No use for polonium in 1900.
Polonium is not used in everyday life.
In 1898 polonium had any use.
Polonium is not used for the treatment of cancers. Radium is used to treat bone cancers.
Polonium was used as source of energy in thermoelectric generators.
Polonium is used in radioisotope thermoelectric energy sources.
No, be sure !
Of course, many scientists worked with radium and polonium.