A M Saillenfait et al.
Fundamental and applied toxicology : official journal of the Society of Toxicology, 17(2), 399-408 (1991-08-01)
Sprague-Dawley rats were administered ethylenethiourea (ETU), 1,3-dimethyl-2-thiourea (DMT), 1,3-dibutyl-2-thiourea (DBT), or 1,3-diphenyl-2-thiourea (DPT) by gavage from Days 6 to 20 of gestation. Daily dosage levels (mg/kg/day) were ETU at 0, 15, 25 and 35; DMT at 0, 15, 25, 50