'In 1961 U.S. physicians began using his oral polio vaccine'
Dr. Albert Sabin
20th CENTURY MEDICINE: In 1961 U.S. physicians began using his oral polio vaccine
In 1961 U.S. physicians began using his oral polio vaccine
In 1961 U.S. physicians began using his oral polio vaccine
20th CENTURY MEDICINE
Dr. Albert Sabin
20th CENTURY MEDICINE