TY - RPRT TI - In-situ calibration of passive samplers for monitoring host-associated fecal markers in an urban river AU - Liu, Y. AU - Verhagen, R. AU - Gebrewold, M. AU - Smith, W. AU - Hawker, D. W. AU - Simpson, S. AU - Ahmed, W. PY - 2025 DO - 10.1101/2025.06.30.662257 UR - https://www.biorxiv.org/content/10.1101/2025.06.30.662257v1 ID - 10.1101/2025.06.30.662257 ER -