TY - JOUR AU - cohn - mansfield, Jiska AU - Muff, Aline AU - Meschiany, Guy AU - Lev-Ari, Shahar PY - 2021 DA - 2021/2/16 TI -更正:2019冠状病毒病大流行期间老年人网络活动替代面对面活动的充充性:调查研究JO - J Med Internet Res SP - e27687 VL - 23 IS - 2 SN - 1438-8871 UR - //www.mybigtv.com/2021/2/e27687/ UR - https://doi.org/10.2196/27687 UR - http://www.ncbi.nlm.nih.gov/pubmed/33591925 DO - 10.2196/27687 ID - info:doi/10.2196/27687 ER -