TY  - BOOK
AU  - Roberts, Stephen J.
TI  - Veterinary obstetrics and general diseases (theriogenology)
U1  - 636.0898 
PY  - 1986///
CY  - North Pomfret, Vermont
PB  - David and Charles
KW  - Obstetricia veterinaria
KW  - Patología veterinaria
KW  - Reproducción animal
ER  -