TY - RPRT TI - Interactions between essential trace and ultratrace elements. AU - F H Nielsen AU - C D Hunt AU - E O Uthus PY - 1980 DO - 10.1111/j.1749-6632.1980.tb21335.x UR - https://pubmed.ncbi.nlm.nih.gov/6940472/ ID - 6940472 ER -