@misc{indiciaec936b0813d06, title = {Normal joint mobility in mitral valve prolapse.}, author = {J S Marks and J Sharp and S G Brear and J D Edwards}, year = {1983}, doi = {10.1136/ard.42.1.54}, url = {https://pubmed.ncbi.nlm.nih.gov/6830324/}, note = {Source identifier: 6830324} }