core + health-lifesci ():

EnrollingByInvitation

Defined in the health-lifesci.schema.org extension.
Canonical URL: http://schema.org/EnrollingByInvitation

Thing > Intangible > Enumeration > MedicalEnumeration > MedicalStudyStatus :: EnrollingByInvitation

Enrolling participants by invitation only.

Usage: Fewer than 10 domains

Schema Version 3.2