DOI:
10.1055/s-00000089
Ultraschall in der Medizin - European Journal of Ultrasound
LinksClose Window
References
Spearman C.
The proof and measurement of association between two things.
Int J Epidemiol 2010;
39: 1137-1150
DOI: 10.1093/ije/dyq191.
We do not assume any responsibility for the contents of the web pages of other providers.