TY  - GEN
AU  - Chavez Moreno,J
AU  - Steinmann Chavez,C
AU  - Bickhardt,K
TI  - [Fetal heart rate measurement and sonographic fetometry for determination of fetal age in sheep]
SN  - 0341-6593
PY  - 1997///0328
KW  - Animals
KW  - Birth Weight
KW  - Cattle
KW  - Embryonic and Fetal Development
KW  - Female
KW  - Fetus
KW  - anatomy & histology
KW  - Heart Rate
KW  - Heart Rate, Fetal
KW  - Labor, Obstetric
KW  - Pregnancy
KW  - Regression Analysis
KW  - Sheep
KW  - Sheep Diseases
KW  - epidemiology
KW  - Ultrasonography, Prenatal
KW  - veterinary
N1  - Publication Type: English Abstract; Journal Article
ER  -