Which of the following is used in Brachytherapy:
Brachytherapy:  Rd, Id – 125, Cs, Ir, Au used.
P-32, Strontium -89, Samarium-153, (NOT iridium -192) are used in systemic radionucluide
P-32 emits B-rays
Rd
Id -125
Ir
All of the above