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  1. pdfNLM Technical Bulletin, no.69-80 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/69-80-1975.pdf
    ... or snmir.Anr\'r:s wrm AI>,!',RI:V TATTOOS AND AI,LOW/\BT,i: CATIiCOIUMS Tlio following ... AVLINE data elements, the NLM On-line Services Reference Manual should be consulted. The AVSTAT file is ...
  2. pdfNewMeSHheadingsfor2021singlecolumnaftercutover.pdf 
    https://www.nlm.nih.gov/...adingsfor2021singlecolumnaftercutover.pdf
    ... BODY HEIGHT; EYE COLOR; a birth mark or TATTOO; or GAIT. Tree locations: Pattern Recognition, Physiological F02. ...