TY  - BOOK
AU  - Elwood, Mark J
AU  - Little, Jullian
AU  - Elwood, Harold, J
TI  - Epidemiology and control of neural tube defects
SN  - 0192618849
AV  - MED QM695 N45.E58
PY  - 1992///
CY  - New York
PB  - Oxford university
KW  - Epidemiology
N1  - vol .20
ER  -