@misc{indiciae9ed5a8cdaec8, title = {Ferrous sulphate.}, author = {J R Saunders and A W Ferguson}, year = {1976}, doi = {10.1016/s0140-6736(76)92007-9}, url = {https://pubmed.ncbi.nlm.nih.gov/63828/}, note = {Source identifier: 63828} }