McCord, Carey P. and United States. Bureau of Labor Statistics. New Test for Industrial Lead Poisoning : The Presence of Basophilic Red Cells in Lead Poisoning and Lead Absorption : Bulletin of the United States Bureau of Labor Statistics, No. 460 , Washington, D.C: G.P.O., April 1928, https://fraser.stlouisfed.org/title/4049, accessed on November 14, 2024.