Studies on the so-called X-factor common to Proteus OX19, Rickettsia prowazeki and Rickettsia mooseri, especially on the relation of the factor to blood group B specific substance.
D001419:Bacteria; D001789:Blood Group Antigens; D001556:Hexachlorocyclohexane; D011511:Proteus; D012281:Rickettsia; D012283:Rickettsia prowazekii; D012286:Rickettsia typhi
D001789:Blood Group Antigens; D001556:Hexachlorocyclohexane; C034873:hexachlorocyclohexane x-factor
BACTERIA/proteus group; BLOOD/groups; RICKETTSIA