@misc{indiciae3fa805531053, title = {The halfmoon sign.}, author = {H Schild and H A Müller and K Klose}, year = {1982}, doi = {10.1111/j.1440-1673.1982.tb02322.x}, url = {https://pubmed.ncbi.nlm.nih.gov/7165613/}, note = {Source identifier: 7165613} }