WABO blood group system
WAquaporin 3
WART4
WBand 3 anion transport protein
WBasigin
WC4A
WCD44
WCD59
WCD151
WColton antigen system
WComplement receptor 1
WDecay-accelerating factor
WDiego antigen system
WDuffy antigen system
WERMAP
WGloboside
WHuman leukocyte antigen
WHuman red cell antigens
WIi antigen system
WLU domain
WLutheran antigen system
WP1PK blood group system
WRh blood group system
WRHAG
WSEMA7A
WXg antigen system