Keenum, I., Liguori, K., Calarco, J., Davis, B.C., Milligan, E., Harwood, V.J., Pruden, A., 2022. A framework for standardized qPCR-targets and protocols for quantifying antibiotic resistance in surface water, recycled water and wastewater.. https://doi.org/10.1080/10643389.2021.2024739