TY  - RPRT
TI  - Sex determination of duck embryos: observations on syrinx development
AU  - Robert E. Wilson
AU  - Sarah A. Sonsthagen
AU  - J. Christian Franson
PY  - 2013
DO  - 10.3184/175815513x13739900273488
UR  - https://pubs.usgs.gov/publication/70045512
ID  - 70045512
ER  -