@misc{indiciaef7fc6c6f3aa9, title = {Nickel--an essential element.}, author = {M Anke and B Groppel and H Kronemann and M GrĂ¼n}, year = {1984}, url = {https://pubmed.ncbi.nlm.nih.gov/6398286/}, note = {Source identifier: 6398286} }