A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
S. Z. El-Zarkouny, J. A. Cartmill, Jeffrey S. Stevenson. "Supplemental progesterone increases pregnancy rates and embryo survival in lactating dairy cows." Kansas Agricultural Experiment Station Research Reports (1999) 73-74