Observation:Prid:Pt:Periton fld:Nom:Gram stain
observation:prid:pt:periton fld:nom:gram stain
Observation:Presence or Identity:To identify measures at a point in time:Peritoneal fluid /ascites:Nominal:Gram stain
observation:presence or identity:to identify measures at a point in time:peritoneal fluid /ascites:nominal:gram stain