EntityQ4216919· pop 7· linked from 190 articlescomplement component 4Sign in to saveprotein involved in the intricate complement systemConnectionsblood transfusionEntityCFBEntityInternational Standard Book NumberEntityschizophreniaEntityred blood cellEntitydigital object identifierEntityInternational Standard Serial NumberEntitywhite blood cellEntityblood typeEntityinflammationEntitycovalent bondEntityblood plasmaEntityplateletEntityalleleEntitydaltonEntitypeptideEntitysystemic lupus erythematosusEntityQ180686Entityblood donationEntitytranscriptionEntityCategoriesBloodBlood antigen systemsComplement systemGenes on human chromosome 6HematologyProtein pages needing a pictureTransfusion medicine