twenty elements ( al , ca , cd , co , cr , cu , fe , k , mg , mn , na , ni , p , pb , sr , ti , v , zn , c and n ) in 42 japanese ribs ( forensic medical autopsy cases ) were determined using inductively coupled plasma atomic emission spectrometry ( icp-aes ) , atomic absorption spectrometry ( aas ) and carbon and nitrogen analysis to examine sex- and age-related variation in the concentrations of these elements .
C0028158
nitrogen
C0013879
elements