TY  - RPRT
TI  - Testing for differences with the nonparametric Mann-Whitney U test.
AU  - J Whitney
PY  - 1997
DO  - 10.1016/s1071-5754(97)90044-9
UR  - https://pubmed.ncbi.nlm.nih.gov/9213501/
ID  - 9213501
ER  -