TY  - RPRT
TI  - Overpopulation and subnormality.
AU  - R D Haigh
PY  - 1972
DO  - 10.1136/bmj.2.5807.235-a
UR  - https://pubmed.ncbi.nlm.nih.gov/5022747/
ID  - 5022747
ER  -