Photo de stock - Secretary of Health Education and Welfare, Oveta Culp Hobby, April 12, 1955. She signed licenses for six drug firms to make and distribute Salk polio vaccine. Leonard A. Scheele, Surgeon General of U.S. looks on. (CSU-2015-9-893)

Photo de stock: Secretary of Health Education and Welfare, Oveta Culp Hobby, April 12, 1955. She signed licenses for six drug firms to make and distribute Salk polio vaccine.

Mots-clés utilisés

Choisir des mots clés multiples