Complementary and alternative medicine use among older urban African Americans: Individual and neighborhood associations, Priscilla Ryder, Beverly Wolpert, Denise Orwig, Olivia Carter-Pokras, Sandra Black
Priscilla T. Ryder

Perils of using random-digit dialing to recruit older urban African Americans for survey research, Priscilla Ryder, Beverly Wolpert, Olivia Carter-Pokras, Sandra Black
Priscilla T. Ryder