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The new polio vaccine is given in Southern California, ca. 1960.
LMY20T04_R4MXTA

The new polio vaccine is given in Southern Califor...

The new polio vaccine is given in Southern California, ca. 1960.
LMY20T04_R4MXTF

The new polio vaccine is given in Southern Califor...

The new polio vaccine is given in Southern California, ca. 1960.
LMY20T04_R4MXTM

The new polio vaccine is given in Southern Califor...

The new polio vaccine is given in Southern California, ca. 1960.
LMY20T04_R4MXT1

The new polio vaccine is given in Southern Califor...

The new polio vaccine is given in Southern California, ca. 1960.
LMY20T04_R4MXT8

The new polio vaccine is given in Southern Califor...

Jonas Salk, American Virologist
LMY20T04_HRNNWW

Jonas Salk, American Virologist

Apr. 04, 2012 - The National Foundation for Infantile Paralysis -120 Broadway New York 5, N.Y. October 7, 1954. Virus Research Laboratory, Municipal Hospital Pittsburgh, Pa.. Dr. Jonas E. Salk, discov...
LMY20T04_E144K1

Apr. 04, 2012 - The National Foundation for Infant...