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Zvi Steiner; Zahavi Cohen; Oleg Kleiner; Ibrahim Matar; Jorge Mogilner. (2008). Do children tolerate thoracoscopic sympathectomy better than adults?. , 24(3), 343–347. doi:10.1007/s00383-007-2073-9 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research