Barrier methods.
Card's contents:295,478 BARRIER Barrier methods. Washington 4° The Population Information Program The George Washington Univ. Medical Center Population Reports ser. H Nr 1• Condom, an old method meets, A new social need, 1973. s. 19, il. Nr 2, The modern condom, A quality product for effective contraception, 1974. s. 21-36 Nr 3. Vaginal /contraceptives. A time for reappraisal 1975 s. 37-56, il.