Walstam R
Strahlentherapie. 1975 Sep;150(3):258-60.
With regard to the evident disadvantages of radium, nowadays an artificial radiation source always should be considered, since it may be much more favorable for any intracavity application. The most usual ones are Cs-137, Co-60 and Ir-192. Each of these isotopes has its advantages and disadvantages; therefore the choice of the isotope must take into account the criteria and requirements for each intracavitary radiation technique.
鉴于镭存在明显的缺点，如今总是应考虑使用人工辐射源，因为它可能对任何腔内应用更为有利。最常用的是铯 - 137、钴 - 60和铱 - 192。这些同位素中的每一种都有其优缺点；因此，同位素的选择必须考虑每种腔内放射技术的标准和要求。
