@misc{indiciaeb20148463647, title = {Hyperparathyroidism in the elderly.}, author = {S Tibblin and N PÄlsson and J Rydberg}, year = {1983}, doi = {10.1097/00000658-198302000-00003}, url = {https://pubmed.ncbi.nlm.nih.gov/6600600/}, note = {Source identifier: 6600600} }