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Araujo Júnior E, Tonni G, Bravo-Valenzuela NJ, Da Silva Costa F, Meagher S.Araujo Júnior E, et al.Ultrasound Q. 2018 Mar;34(1):11-17. doi: 10.1097/RUQ.0000000000000328.Ultrasound Q. 2018.PMID: 29112643Review.