TY  - GEN
AU  - de Graaf,F
AU  - Meijering,A
AU  - van de Wiel,D F
AU  - Vos,E A
TI  - [Progesterone and estrogen concentrations in the peripheral blood of heifers in relation to the course of calving]
SN  - 0040-7453
PY  - 1983///0311
KW  - Animals
KW  - Animals, Newborn
KW  - Biometry
KW  - Birth Weight
KW  - Cattle
KW  - blood
KW  - Dystocia
KW  - veterinary
KW  - Estrogens
KW  - Female
KW  - Fetal Death
KW  - Male
KW  - Pregnancy
KW  - Pregnancy, Animal
KW  - Progesterone
KW  - Species Specificity
KW  - Time Factors
N1  - Publication Type: English Abstract; Journal Article
ER  -