TY - GEN AU - Campbell,D T AU - Maas,J AU - Weber,D W AU - Hedstrom,O R AU - Norman,B B TI - Safety and efficacy of two sustained-release intrareticular selenium supplements and the associated placental and colostral transfer of selenium in beef cattle SN - 0002-9645 PY - 1990///0612 KW - Animals KW - Cattle KW - blood KW - Colostrum KW - metabolism KW - Delayed-Action Preparations KW - Drug Evaluation KW - veterinary KW - Female KW - Maternal-Fetal Exchange KW - Placenta KW - Pregnancy KW - Random Allocation KW - Risk Factors KW - Selenium KW - administration & dosage KW - Time Factors N1 - Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't ER -