TY - SER AU - São José,J.F.B.de AU - Medeiros,H.S.de AU - Bernardes,P.C. AU - Andrade,N.J.de TI - Ultrasound and organic acids in removal of Salmonella enterica Enteritidis and Escherichia coli from pears surfaces KW - PERA KW - ULTRA-SOM KW - ACIDO ORGANICO KW - BACTERIOLOGIA ER -