Preferred Label : Block Control;
Alternative definition : CDISC: A type of negative control wherein the subject serves as its own control by
receiving both control treatment and study treatment, used when the control is an
element rather than an arm within the trial design.;
NCI Metathesaurus CUI : CL1778614;
Origin ID : C186267;
UMLS CUI : C5670406;
Semantic type(s)
- concept_is_in_subset
