Line 77:
Line 77:
Agency for Toxic Substances and Disease Registry: [https://www.atsdr.cdc.gov/toxguides/toxguide-92.pdf ToxGuide for Selenium]
Agency for Toxic Substances and Disease Registry: [https://www.atsdr.cdc.gov/toxguides/toxguide-92.pdf ToxGuide for Selenium]
−
Division 9 of NRDC: [http://www.dtic.mil/dtic/tr/fulltext/u2/234270.pdf Chemical Warfare Agents and Related Chemical Problems, Parts I-II, Chapter 11] (1946)
+
Division 9 of NRDC: [https://apps.dtic.mil/dtic/tr/fulltext/u2/234270.pdf Chemical Warfare Agents and Related Chemical Problems, Parts I-II, Chapter 11] (1946)
==References==
==References==