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Verschoyle, R. D.; Cabral, J. R. P. (1982-12-01). "Investigation of the acute toxicity of some trimethyl and triethyl phosphorothioates with particular reference to those causing lung damage". Archives of Toxicology. 51 (3): 221–231. doi:10.1007/BF00348854. ISSN1432-0738. S2CID44188825.
Verschoyle, R. D.; Cabral, J. R. P. (1982-12-01). "Investigation of the acute toxicity of some trimethyl and triethyl phosphorothioates with particular reference to those causing lung damage". Archives of Toxicology. 51 (3): 221–231. doi:10.1007/BF00348854. ISSN1432-0738. S2CID44188825.