@misc{indiciae48c77806ff5c, title = {Measurement validity.}, author = {G A Morgan and J A Gliner and R J Harmon}, year = {2001}, doi = {10.1097/00004583-200106000-00019}, url = {https://pubmed.ncbi.nlm.nih.gov/11392352/}, note = {Source identifier: 11392352} }