TY  - RPRT
TI  - Perinatal data using geographically defined populations.
AU  - J F Murphy
AU  - M Dauncey
AU  - E C Coles
PY  - 1986
DO  - 10.1016/s0140-6736(86)90215-1
UR  - https://pubmed.ncbi.nlm.nih.gov/2876175/
ID  - 2876175
ER  -