26445
 Many studies were excluded because of flaws , and some '' authors wanted to show that one technique is better than the other , '' making the findings biased , said the leader author of the team , Dr. Frank W. Sellke , chief of cardiothoracic surgery at the Beth Israel Deaconess Medical Center in Boston . 
 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