TY - RPRT TI - Relationships between nutrient enrichment, pleurocerid snail density and trematode infection rate in streams AU - Serena Ciparis AU - Deborah D. Iwanowicz AU - J. Reese Voshell PY - 2013 DO - 10.1111/fwb.12135 UR - https://pubs.usgs.gov/publication/70043587 ID - 70043587 ER -