BibTex format
@article{Alturkistani:2020:10.2196/18976,
author = {Alturkistani, A and Qavi, A and Anyanwu, PE and Greenfield, G and Greaves, F and Costelloe, C},
doi = {10.2196/18976},
journal = {Journal of Medical Internet Research},
pages = {1--9},
title = {Patient portal functionalities and patient outcomes among diabetes patients: a systematic},
url = {http://dx.doi.org/10.2196/18976},
volume = {22},
year = {2020}
}