The Double helix.
National Foundation for Infectious Diseases (U.S.)
Washington, D.C. : National Foundation for Infectious Diseases
Description based on: Vol. 11, no. 6 (Oct. 1986); title from caption.
Latest issue consulted: Vol. 17, no. 2 (Apr. 1992).
Communicable diseases
Communicable Disease Control.
Communicable diseases
AIDS (Disease)
Communicable diseases.