1. Syphilis victims in U.S. study went untreated for 40 yr.;Heller;New York Times,1972
2. Syphilis victims in U.S. study went untreated for 40 yr.;Heller;New York Times,1972
3. Untreated syphilis in the male Negro;Vonderlehr;Ven Dis Inform,1936
4. Untreated syphilis in the male Negro;Vonderlehr;JAMA,1936
5. Uated syphilis in the male Negro. II. Mortality during 12 yr of observation;Heller;J Ven Dis Inform,1946