TY  - RPRT
TI  - The occurrence of Theromyzon rude (Annelida: Hirudinea) in association with mortality of trumpeter swan cygnets (Cygnus buccinator)
AU  - Benjamin N. Tuggle
PY  - 1986
DO  - 10.7589/0090-3558-22.2.279
UR  - https://pubs.usgs.gov/publication/1003881
ID  - 1003881
ER  -