title: False negative peritoneal lavage.
mesh_terms: D000007:Abdominal Injuries / Q000175:diagnosis*; D000293:Adolescent; D000328:Adult; D005188:False Negative Reactions; D005260:Female; D006465:Hemoperitoneum / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D007507:Therapeutic Irrigation; D014949:Wounds, Nonpenetrating / Q000175:diagnosis*