@misc{indiciaeeb767b08a48f, title = {Zinc deficiency.}, author = {H Kirchner and H Rühl}, year = {1973}, doi = {10.1016/s0140-6736(73)91328-7}, url = {https://pubmed.ncbi.nlm.nih.gov/4126101/}, note = {Source identifier: 4126101} }