--- http://agence-prd.ansm.sante.fr/php/ecodex/extrait.php?specid=63961902 2012 France summary of product characteristics package leaflet phosphates potassium phosphate (K-H2PO4)
--- http://www.has-sante.fr/portail/display.jsp?id=c_399812 2003 France evaluation of the transparency committee phosphates potassium phosphate (K-H2PO4)