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 The study 's lead author , Dr. William H. Maisel of Beth Israel Deaconess Medical Center in Boston , said the growing use of emergency external defibrillators portable devices like those used by paramedics and in hospitals that shock failed hearts back into normal rhythms has led to thousands of saved lives . 
 location contains: Boston, Beth Israel Deaconess Medical Center
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 location contains: Boston, Beth Israel Deaconess Medical Center