TY  - BOOK
AU  - Elwood,J.Mark
AU  - Elwood,J.Harold
TI  - Epidemiology of anencephalus & spina bifida / 
SN  - 0192612204
U1  - 614.5973043 
PY  - 1980///
CY  - Oxford
PB  - Oxford University Press, 
KW  - Medicine
KW  - Epidemiology
ER  -