TY  - RPRT
TI  - Problems with the design of observations and their statistical analysis.
AU  - J Ludbrook
AU  - G Clunie
PY  - 1993
DO  - 10.1111/j.1445-2197.1993.tb00487.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8363473/
ID  - 8363473
ER  -