title: [A simple method for the simultaneous analysis of r-T3 and 33'-T2 by mass fragmentography using GC-MS. (Part I. A comparative study of impurities in commercially available thyroid preparations) (author's transl)].
mesh_terms: D004104:Diiodothyronines / Q000032:analysis* / Q000592:standards; D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans; D013970:Thyronines / Q000032:analysis*; D014284:Triiodothyronine / Q000032:analysis* / Q000592:standards
chemical_list: D004104:Diiodothyronines; D013970:Thyronines; D014284:Triiodothyronine