TY  - RPRT
TI  - A WORLD OF DIFFERENCE.
AU  - R A LUCAS
AU  - R E JENNER
PY  - 1965
DO  - 10.1016/s0140-6736(65)90248-5
UR  - https://pubmed.ncbi.nlm.nih.gov/14330055/
ID  - 14330055
ER  -