@misc{indiciae9f8f08b5362e, title = {Analysis of the ovarian cycle in black-footed ferrets (Mustela nigripes) by vaginal cytology and fecal hormone measurement}, author = {T. S. Gross and C. Wieser and M. Patton}, year = {1993}, url = {https://pubs.usgs.gov/publication/1008476}, note = {Source identifier: 1008476} }