TY  - RPRT
TI  - An epizootic among eider ducks involving an acanthocephalid worm
AU  - G. M. Clark
AU  - D. O’Meara
AU  - J.W. VanWeelden
PY  - 1958
DO  - 10.2307/3797332
UR  - https://pubs.usgs.gov/publication/5220719
ID  - 5220719
ER  -