@misc{indiciae59fc2081ff48, title = {A calcareous calamity.}, author = {E C Boerma and R J Hené}, year = {1997}, doi = {10.1093/ndt/12.11.2453}, url = {https://pubmed.ncbi.nlm.nih.gov/9394348/}, note = {Source identifier: 9394348} }