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The grouping of this template is somewhat strange. "Iodine" is a chemical category, while "Cardiovascular" is a therapeutic category. I'd suggest creating two main groups "Diagnostic" and "Therapeutic" in accordance with ATC code V09 and ATC code V10, and subgroups corresponding to the third-level ATC codes. --ἀνυπόδητος (talk) 21:50, 21 February 2009 (UTC)