Which among of the following isotope is used for radiotherapy to stop the growth of cancer cell? A. Copper – 64 B. Gallium -67 C. Cobalt -60 D. Iron-59 0 0 votes Article Rating Subscribe Login Notify of new follow-up comments new replies to my comments Label {} [+] Name* Email* Label {} [+] Name* Email* 0 Comments Oldest Newest Most Voted Inline Feedbacks View all comments