Primary care coding activity related to the use of online consultation systems or remote consulting: an analysis of 53 million peoples’ health records using OpenSAFELY
Fonseca M., MacKenna B., Mehrkar A., The OpenSAFELY Collaborative ., Walters C., Hickman G., Pearson J., Fisher L., Inglesby P., Bacon S., Davy S., Hulme W., Goldacre B., Koffman O., Bakhai M.