1. ATSDR (Agency for Toxic Substances and Disease Registry) (2004) Toxicological profile for strontium. U.S. Department of Health and Human Services, Public Health Service, Atlanta
https://www.atsdr.cdc.gov/ToxProfiles/TP.asp?id=656&tid=120
. Accessed 14 Dec 2017
2. ATSDR (Agency for Toxic Substances and Disease Registry) (2007) Toxicological profile for lead. U.S. Department of Health and Human Services, Public Health Service, Atlanta
https://www.atsdr.cdc.gov/toxprofiles/tp.asp?id=96&tid=22
. Accessed 26 May 2017
3. Aufderheide AC, Wittmers LE Jr (1992) Selected aspects of the spatial distribution of lead in bone. Neurotoxicology 13(4):809–819
4. Barbosa F, Tanus-Santos JE, Fernanda Gerlach F, Parsons PJ (2005) A critical review of biomarkers used for monitoring human exposure to lead: advantages, limitations, and future needs. Environ Health Perspect 113(12):1669–1674
5. Bartareau TM, Cluff HD, Larter NC (2011) Body length and mass growth of the brown bear (Ursus arctos) in northern Canada: model selection based on information theory and ontogeny of sexual size dimorphism. Can J Zool 89(11):1128–1135