TY  - BOOK
AU  - Butler N R
AU  - Bonham D G
TI  - Perinatal mortality
U1  - 312.22(42) 
PY  - 1963///
CY  - London
PB  - E & S Livingstone
KW  - Perinatal mortality
KW  - Stillbirths
N1  - The first report of the 1958 British Perinatal Mortality Survey
ER  -