TY  - BOOK
AU  - NATIONAL ACADEMY OF SCIENCE
TI  - PRENATAL AND POSTNATAL MORTALITY IN CATTLE
U1  - GN636.21N.N.S. 
PY  - 1968///
CY  - WASINGTON
PB  - NATIONAL ACADEMY OF SCIENCE
KW  - PRENATAL AND POSTNATAL MORTALITY IN CATTLE
ER  -