The use of chromic oxide as an index material in digestion trials with human subjects.
D002840:Chromates; D017608:Chromium Compounds; D004063:Digestion; D004064:Digestive System; D006801:Humans
D002840:Chromates; D017608:Chromium Compounds; C034944:chromic acid; C023600:chromic oxide
CHROMIC ACID; DIGESTIVE SYSTEM