Buchet, J.-P., Lauwerys, R., & Roels, H. (1981). Urinary-excretion of Inorganic Arsenic and its Metabolites After Repeated Ingestion of Sodium Metaarsenite By Volunteers. International Archives of Occupational and Environmental Health, 48(2), 111-118. https://doi.org/10.1007/BF00378431 (Original work published 1981)