Sexually transmitted disease: shadow on the land, revisited.
Brandt
A M
AM
Department of Social Medicine, Harvard Medical School, Boston, MA 02115.
D015658:HIV Infections / Q000517:prevention & control; D006291:Health Policy; D006801:Humans; D012747:Sexual Partners; D012749:Sexually Transmitted Diseases / Q000517:prevention & control*; D013587:Syphilis / Q000517:prevention & control; D014481:United States