ASSESSMENT OF ROUTINE TESTS FOR OCCULT BLOOD IN FAECES.
D002859:Chromium Isotopes; D005243:Feces; D006801:Humans; D007202:Indicators and Reagents; D008551:Melena; D009780:Occult Blood; D013057:Spectrum Analysis
D002859:Chromium Isotopes; D007202:Indicators and Reagents
CHROMIUM ISOTOPES; FECES; INDICATORS AND REAGENTS; MELENA; OCCULT BLOOD; SPECTRUM ANALYSIS