meaning of 13
1. a radioactive isotope of cesium used in radiation therapy
Related Words
cesium 137 | iodine-131 | is-13818 | rfc 1213 | rfc 1321 | rfc 1334 | rfc 1341 | rfc 1347 | rfc 1350 | rfc 1388 | rfc 2131 | rot13 | std 13 | z-1013 | [proc fjcc 18:117-136, afips (fall 1960)]. |
