TY  - RPRT
TI  - Production of bovine cloned embryos with donor cells frozen at a slow cooling rate in a conventional freezer (20 C)
AU  - L. Chacon
AU  - M.C. Gomez
AU  - J.A. Jenkins
AU  - S.P. Leibo
AU  - G. Wirtu
AU  - B.L. Dresser
AU  - C.E. Pope
PY  - 2009
DO  - 10.1017/s0967199409005474
UR  - https://pubs.usgs.gov/publication/70035477
ID  - 70035477
ER  -