TY - RPRT TI - Experimental copper and heliotrope intoxication in sheep: morphological changes. AU - J M Howell AU - H S Deol AU - P R Dorling AU - J B Thomas PY - 1991 DO - 10.1016/s0021-9975(08)80061-8 UR - https://pubmed.ncbi.nlm.nih.gov/1918453/ ID - 1918453 ER -