@incollection{Ferguson‐Pell17,
author = {Zohreh Salimi and Martin W. Ferguson‐Pell},
title = {Validity in Rehabilitation Research: Description and Classification},
booktitle = {Physical Disabilities},
publisher = {IntechOpen},
address = {Rijeka},
year = {2017},
editor = {Uner Tan},
chapter = {1},
doi = {10.5772/67389},
url = {https://doi.org/10.5772/67389}
}