The PubMed database abbreviates the names of many research journals. Sometimes these abbreviations lend themselves to confusion. Sometimes that confusion can, maybe, be willful. Here’s an example, in a citation of a chemistry study: Classification of Coffee Beans by GC-C-IRMS, GC-MS, and (1)H-NMR. J Anal Methods Chem. 2016;2016:8564584 Authors: Arana VA, Medina J, Esseiva P, Pazos D, […]