TY  - RPRT
TI  - Screening for neural-tube defects.
AU  - M A Ferguson-Smith
AU  - J G Ratcliffe
PY  - 1978
DO  - 10.1016/s0140-6736(78)92971-9
UR  - https://pubmed.ncbi.nlm.nih.gov/79737/
ID  - 79737
ER  -