HPA & HLA Ab:Imp:Pt:Ser/Plas/Bld:Nar
hpa & hla ab:imp:pt:ser/plas/bld:nar
HPA & Human leukocyte antigen Antibody:Impression/interpretation of study:To identify measures at a point in time:Serum/Plasma/Whole blood:Narrative
hpa & human leukocyte antigen antibody:impression/interpretation of study:to identify measures at a point in time:serum/plasma/whole blood:narrative