Shover, C. L., Rosen, A., Mata, J., Robie, B., Alvarado, J., Frederes, A., Romero, R., Beltran, J., Bratcher, A., Chang, A. H., Choi, K. R., Garcia, C., Shoptaw, S., Guha, P., Richard, L., Sixx, G., Baez, A., Coleman, A., Harvell, S., Jackson, S., Lee, C., Swan, J., Torres, K., Kantrim, E. U., McKeever, M., Nguyen, A., Rice, A., Rosales, M., Spoliansky, J., Bromley, E., Behforouz, H., Gelberg, L., Gorbach, P. M., Rimoin, A. W., & Thomas, E. H. (n.d.). engaging Same-Day Peer Ambassadors to Increase Coronavirus Disease 2019 Vaccination Among People Experiencing Unsheltered Homelessness in Los Angeles County: A Hybrid Feasibility-Evaluation Study . Journal of infectious diseases, 226, S346–S352. http://access.bl.uk/ark:/81055/vdc_100167566934.0x00003e