TY  - RPRT
TI  - A difference is a difference if it makes a difference.
AU  - M R Tramèr
AU  - P Garnerin
PY  - 1998
DO  - 10.1097/00000539-199812000-00067
UR  - https://pubmed.ncbi.nlm.nih.gov/9842860/
ID  - 9842860
ER  -