1 2 3 4 D. J. Kushner, Alison Baker, T. G. Dunstall (1999). “Pharmacological uses and perspectives of heavy water and deuterated compounds”. Can. J. Physiol. Pharmacol. 77 (2): 79–88. PMID10535697. doi:10.1139/cjpp-77-2-79. used in boron neutron capture therapy... D2O is more toxic to malignant than normal animal cells... Protozoa are able to withstand up to 70% D20. Algae and bacteria can adapt to grow in 100% D2O
