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Metastable Isotopes.  

Cheryl Iverson

in AMA Manual of Style: A Guide for Authors and Editors (11 ed.)

Print Publication Year: 
Feb 2020
Published Online: 
Feb 2020
Item type: 
The abbreviation m, as in krypton Kr 81m or technetium Tc 99m, stands for metastable. The abbreviation should never be deleted because the term without the m designates a different radionuclide isomer. Previous | Next Principal Author: Cheryl Iverson, MA Thanks to Stephanie C. Shubat, MS, USAN Program, American Medical Association, Chicago, Illinois, for reviewing and providing comments....