[On the duration of the presence of complement fixing antibodies following ornithosis infections].
D000906:Antibodies; D003168:Complement Fixation Tests; D006801:Humans; D009956:Psittacosis / Q000276:immunology*
D000906:Antibodies
O dlitel'nosti sokhraneniia komplementsviazyvaiushchikh antitel posle pereneseniia ornitoznoĭ infektsii.