948. Open-heart surgery, NIH, 1955. Photo by R. Perry Subject(s): Thoracic SurgerySurgeonsNational Institutes of Health (U.S.)
949. Open-heart surgery, NIH, 1955. Photo by R. Perry Subject(s): Thoracic SurgerySurgeonsNational Institutes of Health (U.S.)
950. Open-heart surgery, NIH, 1955. Photo by R. Perry Subject(s): Thoracic SurgerySurgeonsNational Institutes of Health (U.S.)