title: New ultrasonic finding in perforated ulcer.
authors.forename: R
authors.initials: R
authors.lastname: Fuentes
authors.forename: M
authors.initials: M
authors.lastname: Sosa
authors.forename: F
authors.initials: F
authors.lastname: Martínez
authors.forename: M
authors.initials: M
authors.lastname: Rodríguez
mesh_terms: D000006:Abdomen, Acute / Q000000981:diagnostic imaging*; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010439:Peptic Ulcer Perforation / Q000000981:diagnostic imaging* / Q000209:etiology; D013276:Stomach Ulcer / Q000150:complications / Q000000981:diagnostic imaging*; D014463:Ultrasonography