TY  - RPRT
TI  - Obstetric complications and school performance.
AU  - D J Barker
AU  - J H Edwards
PY  - 1967
DO  - 10.1136/bmj.3.5567.695
UR  - https://pubmed.ncbi.nlm.nih.gov/6068401/
ID  - 6068401
ER  -