Under acid circumstances the metals in milk may create serious geomedical problems.
P. Alhonen, S. Mantere-Alhonen, A. Vuorinen 1997, 'Preliminary observations on the metal content in some milk samples from an acid geoenvironment',Bulletin of the Geological Society of Finlandhttp://www.geologinenseura.fi/bulletin/Volume69/sgs_bt_069_pages_031_041.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)