EntityQ474282· pop 9· linked from 7 articlesSide-chain theorySign in to saveConnectionsGermanEntitycellEntityInternational Standard Book NumberEntityenzymeEntityRobert KochEntitytheoryEntitysyphilisEntitydigital object identifierEntityinfectionEntitychemical substanceEntitydiphtheriaEntityRoyal SocietyEntityEmil FischerEntityPaul EhrlichEntityantibodyEntityQ180686EntitytoxinEntitybibcodeEntityQ229883Entitysignaling receptorEntityCategoriesImmunology theoriesPaul Ehrlich