About: http://webisa.webdatacommons.org/270198672

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In the case of highly unequal sample sizes, especially if one group contains less than five patients, the asymptotic distribution under the null hypothesis is not appropriate anymore [18,19].
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov