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Alcazar JL, García E, Machuca M, Quintana R, Escrig J, Chacón E, Mínguez JA, Chiva L.Alcazar JL, et al.Med Ultrason. 2020 Mar 1;22(1):85-91. doi: 10.11152/mu-2361.Med Ultrason. 2020.PMID: 32096793Free article.