Recruiting for a clinical study (disparities in health care and research).
Hammerschmidt
Dale E
DE
D000407:Alabama; D044383:Black People; D006297:Health Services Accessibility / Q000266:history; D006302:Health Services Research / Q000266:history; D049673:History, 20th Century; D006801:Humans; D012959:Socioeconomic Factors; D013587:Syphilis / Q000266:history; D001741:Black or African American