@misc{indiciae9639e1673fb0, title = {Validating impaired physical mobility.}, author = {P A Mehmert and C W Delaney}, doi = {10.1111/j.1744-618x.1991.tb00352.x}, url = {https://pubmed.ncbi.nlm.nih.gov/1764320/}, note = {Source identifier: 1764320} }