TY  - RPRT
TI  - Above-down and/or below-up?
AU  - Ken Cox
PY  - 2002
DO  - 10.1046/j.1442-2026.2002.00330.x
UR  - https://pubmed.ncbi.nlm.nih.gov/12147105/
ID  - 12147105
ER  -