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Born in Baltimore on October 14 , 1920 , in the family of a pediatrician , he graduated from Loyola College in Baltimore and the University of Maryland School of Medicine .
 Baltimore, Loyola College, Baltimore, University of Maryland School of Medicine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Baltimore, Loyola College, Baltimore, University of Maryland School of Medicine