@book {2476, title = {11 African-American Doctors}, series = {Achievers--African Americans in science and technology}, year = {1992}, pages = {206}, publisher = {Twenty-First Century Books}, organization = {Twenty-First Century Books}, edition = {Rev. and expanded ed}, address = {Frederick, Md}, isbn = {9780805021356}, author = {Robert C Hayden and Richard Loehle and Robert C Hayden} }