TY - GEN AU - Parker,W H TI - Letter: Blood copper status SN - 0042-4900 PY - 1975///0423 KW - Animals KW - Cattle KW - Cattle Diseases KW - blood KW - Copper N1 - Publication Type: Journal Article UR - https://doi.org/10.1136/vr.95.8.175-a ER -