TY  - RPRT
TI  - The pendulum swings.
AU  - J C Somberg
PY  - 1992
DO  - 10.1002/j.1552-4604.1992.tb03826.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1564122/
ID  - 1564122
ER  -