Insurance, Health. Health Insurance, Group . Insurance, Group Health . Insurance, Voluntary Health . Voluntary Health Insurance . Group Health Insurance . Health Insurance . Health Insurance, Voluntary . Insurance providing coverage of medical, surgical, or hospital care in general or for which there is no specific heading. . 1.00
Voluntary Health Agencies. Agencies, Voluntary Health . Agency, Voluntary Health . Health Agencies, Voluntary . Health Agency, Voluntary . Voluntary Health Agency . Cancer Societies . Non-profit organizations concerned with various aspects of health, e.g., education, promotion, treatment, services, etc. . 0.69
Healthy Volunteers. Healthy Participants . Healthy Subjects . Human Volunteers . Normal Volunteers . Healthy Participant . Healthy Subject . Healthy Volunteer . Human Volunteer . Normal Volunteer . Participant, Healthy . Participants, Healthy . Subject, Healthy . Subjects, Healthy . Volunteer, Healthy . Volunteer, Human . Volunteer, Normal . Volunteers, Human . Volunteers, Normal . Persons with no known significant health problems who are recruited to participate in research to test a new drug, device, or intervention as controls for a patient group. (from http://clinicalcenter.nih.gov/recruit/volunteers.html, accessed 2/14/2013) . 0.66