About: lack of a control

Head noun: lack
Postmodifier: of a control

Same concepts

Broader concepts

label	provenance	confidence
limitation of the study	isap:191177401	0.750168
limitation	isap:191177394	0.614902
study	isap:87933350	0.328753
method	isap:308721298	0.255135
reason	isap:307286367	0.196437

Narrower concepts

label	provenance	confidence