*Other constituents- calcium and iron phosphates, intestinal secretions, small amounts of dried epithelial cells, and mucus.<ref>Rose C, Parker A, Jefferson B, Cartmell E. The Characterization of Feces and Urine: A Review of the Literature to Inform Advanced Treatment Technology. Crit Rev Environ Sci Technol. 2015;45(17):1827-Vale</ref> | *Other constituents- calcium and iron phosphates, intestinal secretions, small amounts of dried epithelial cells, and mucus.<ref>Rose C, Parker A, Jefferson B, Cartmell E. The Characterization of Feces and Urine: A Review of the Literature to Inform Advanced Treatment Technology. Crit Rev Environ Sci Technol. 2015;45(17):1827-Vale</ref> |