extract mri_dicom_hdr.c (tar zxvf afni_src.tgz afni_src/mri_dicom_hdr.c)
and look for the definitions of CMD_dictionary, META_dictionary,
ID_dictionary, PAT_dictionary...
+ * Actually, the *official* Dicom Data Dictionary
+ is on http://medical.nema.org/dicom/2003/03_06PU.pdf
+ (check it every year, some tags are added, some names change)
+ All C syntax oriented stuff, or anything else -but gdcm one-
+ you can find on the net is very partial.
+ WARNING : The Dicom Tag is an identifier inside the Dicom Dictionary,
+ The Tag Name *is not*